Showing posts with label sequences and series. Show all posts
Showing posts with label sequences and series. Show all posts

Friday, 17 November 2017


Directions (Q.1-5): Study the following arrangement carefully and answer the questions given below:

U 9 P I % 1 8 R 4 $ M E 7 Q W 3 δ Z 5 T # A 2 J

Q1. Which of the following should come in place of question mark?
1%R M$7 3WZ ?
(a) #T2
(b) T5#
(c) 2#K
(d) ATJ
(e) None of the above


Q2. Which of the following is eleventh to the right of the nineteenth element from the right end?
(a) 1
(b) δ
(c) 7
(d) %
(e) None of the above

S2. Ans.(b)
Sol. Eleventh to the right of the nineteenth element from the right = (19 – 11) 8th from the right, i.e. δ.

Q3. How many such symbols are there in the above arrangement each of which is immediately preceded by a consonant and also immediately followed by a vowel?
(a) None
(b) One
(c) Two
(d) Three
(e) None of the above

S3. Ans.(b)
Sol. T # A. There is only one symbol.


Q4. If the positions of fifteen elements from the right end are reversed, which of the following will be the fifteenth element from the left end?
(a) 5
(b) $
(c) W
(d) Z
(e) None of the above

S4. Ans.(a)
Sol. After rearrangement
U 9 P I % 1 8 R 4 J 2 A # T 5 Z δ 3 W Q 7 E M $

Q5. How many such numbers are there in the above arrangement each of which is immediately followed by a consonant and also immediately preceded by a vowel?
(a) One
(b) Two
(c) Three
(d) Four
(e) None of the above

S5. Ans.(c)
Sol.U9P, E7Q, A2J
Thus, there are three such numbers.

Directions (Q.6-10): The following questions are based on the five three digit numbers given below:

684 512 437 385 296

Q6. If 2 added to the first digit of each of the numbers how many numbers thus formed will be divisible by three?  
(a) None
(b) One
(c) Two
(d) Three
(e) None of these


Q7. If all the digits in each of the numbers are arranged in descending order within the number, which of the following will be the highest number in the new arrangement of numbers?
(a) 684
(b) 385
(c) 296
(d) 437
(e) None of these


Q8. What will be the resultant number if the second digit of the second lowest number is divided by the third digit of the highest number?
(a) 2
(b) 3
(c) 0
(d) 1
(e) 4

S8. Ans.(a)
Sol. The second digit of the second lowest number is (385) = 8
The third digit of the highest number is (684) = 4
Now, according to the question,
Required resultant =8/4=2

Q9. If 1 is added to the first digit and 2 is added to the last digit of each of the numbers then which of the following numbers will be second highest number?
(a) 385
(b) 684
(c) 437
(d) 296
(e) 512


Q10. If in each number the first and the second digits are interchanged then which number will be the highest number?
(a) 296
(b) 512
(c) 437
(d) 684
(e) 385



Directions (Q.11-15): Study the following arrangement carefully and answer the questions given below:

F 8 E 7 S 9 A Q 2 K M Z $ 6 % * V L 8 @ W 4 B 3 5 # U C

Q11. How many such odd numbers are there in the above arrangement each of which is immediately preceded by a consonant?
(a) None
(b) One
(c) Two
(d) Thee
(e) None of the above

S11. Ans.(c)
Sol. S9, B3 

Q12. How many such symbols are there in the above arrangement each of which is immediately preceded by a number and also immediately followed by a letter?
(a) None
(b) One
(c) Two
(d) Three
(e) None of the above

S12. Ans.(c)
Sol. 8@W, 5#U

Q13. If all the letters are dropped from the above arraignment, which of the following will be the tenth from the right end?
(a) $
(b) 6
(c) 2
(d) 9
(e) None of the above


Q14. Which of the following is seventh to the right of the twenty-first from the right end of the above arrangement?
(a) 6
(b) $
(c) *
(d) %
(e) None of the above

S14. Ans.(d)
Sol. Seventh to the right of the twenty-first from the right end = (21 – 7) = 14th from the right end i.e. %.

Q15. Four of the following five are alike in a certain way and so form a group. Which is the one that does not belong to that group?
(a) E 9 Q
(b) A K Z
(c) M 6 $
(d) 8 4 3
(e) B # C





Friday, 3 November 2017


Direction (1-5): Study the following arrangement of numbers, letters and symbols carefully and answer the questions given below:

R 4 $ M E 7 T # A 2 J @ U K 9 P I % 1 8 Q W 3 d Z 5 H N 6 F © V G

1. Which of the following should come in place of question mark (?) in the following series based on the elements in the above arrangement?

M$7 A#J  KUP ?

a. 1 % W                     b. 1 I Q
c. 1 I W                       d. 1 % Q
e. None of these

2. How many such symbols are there in the above arrangement, each of which is immediately preceded by a consonant and also immediately followed by a vowel?
a. None                        b. One
c. Two             d. Three
e. Four

3. How many such numbers are there in the above arrangement, each of which is immediately followed by a consonant but not immediately preceded by an alphabet?
a. None                                    b. One
c. Two                         d. Three
e. More than three

4. If the positions of twenty five elements from the right end are reversed, which of the following will be the sixteenth element from the left end?
a. Z                              b. P
c. W                             d. Q
e. None of these

5. Which of the following is eight to the left of the twenty-third element from the left end of the above arrangement?
a. 9                              b. 1
c. $                              d. ©
e. None of these

6. Each even digit in the number 8795342 is replaced by the next higher digit and each odd digit is replaced by the previous lower digit and the digits so obtained are rearranged in ascending order. Which of the following will be the third from the left end after the rearrangement?
a. 2                              b. 6
c. 5                              d. 4
e. None of these

7.  If it is possible to make meaningful word with the first, fourth, seventh and the eighth letters of the word 'ELECTORAL', which would be the second letter of the word? If more than one such words can be formed, give X as the answer. If no such word can be formed, give K as your answer.
a. C                              b. K
c. X                             d. E
e. None of these

8. How many such digits are there in the number 9254716 each of which is as far away from the beginning of the number as when the digits are rearranged in ascending order?
a. None                                    b. One
c. Two                         d. Three
e. More than three

9. If two is subtracted from each odd digit and if two is added to each even digit in the number 9275436, what will be the difference between the digits which are third from the right and second from the left of the new number thus formed ?
a. 6                  b. 8
c. 2                  d. 1
e. 5

Direction (10-14): Study the following arrangement carefully and answer the questions given below:


10. What should come next in the following series based on the above arrangement?

RΩZ, 7&+, 4@K, 2E#?

a. 8 U *                       b. © X L
c. 8 M 9                       d. © 8 9
e. M D W

11. If all the symbols are dropped from the above arrangement, which of the following will be eleventh from the right end ?
a. M                 b. 3
c. D                 d. Q
e. N

12. How many such letters are there in the above arrangement, each of which is immediately preceded by a number and immediately followed by a symbol?
a. None                                    b. One
c. Two                         d. Three
e. More than three

13. Four of the following are alike in a certain way based on their positions in the above arrangement and hence they form a group. Which the one that does not belong to that group?
a. © β 6                       b. D % *
c. E M %                     d. 8 Q A
e. 9 $ L

14. Which of the following is eighth to the left of nineteenth from the left end of the above arrangement?
a. 8                  b. X
c. U                 d. M
e. D

Directions (15-19): Study the following arrangement carefully and answer the questions given below.

1 4 K A J 1 * 8 3 T V H % G M 7 @ 2

15. How many alphabets are there in the above arrangement such that it’s immediately preceded by a number and followed by an alphabet?
a. One              b. Two           
c. Three        d. Four     
e. Zero

16. Which of the following is exactly in the middle between the fourth from the left and ninth from the right?
a.  *                b. 1                
c. 8                 d. J            
e. H

17. If last 12 elements are written in reverse order then which of the following will be fifth to the right of fourth from the left?
a. M                 b. 7                 
c. %                 d. @          
e. 2

18. If both halves of the series are written in reverse order, which will be the fifth element to the right of the eighth element from the right end?
a. %              b. G               
c. M                   d. H       
e. T

19. How many numbers are there in the above arrangement which are immediately followed by a symbol?
a. One          b. Two          
c. Three           d. Four  
e. Zero  

Directions (20-24): Study the following arrangement carefully and answer the questions given below.

R 4 P I J M Q 3 % T @ © U K 5 V 1 W $ Y 2 B E 6 # 9 D H 8 G & Z N

20. Which of the following is the sixth to the left of the fifteenth from the left end of the given arrangement?
(a) 2                             (b) #
(c) %                            (d) $
(e) None of these

21. How many such numbers are there in the given arrangement, each of which is immediately preceded by a consonant and not immediately followed by a letter?
(a) None                      (b) One
(c) Two                                    (d) Three
(e) More than three

22. How many such symbols are there in the given arrangement, each of which is immediately followed by a letter but not immediately preceded by a number?
(a) None                      (b) One
(c) Two                                    (d) Three
(e) More than three

23. How many such consonants are there in the given arrangement, each of which is immediately preceded by a consonant and immediately followed by a symbol?
(a) None                      (b) One
(c) Two                                    (d) Three
(e) More than three

24. What should come in the place of question mark (?) in the following series based on the above arrangement?

PJQ  T©K  1$2 ?

(a) E#D                       (b) 69D
(c) 698             (d) 6#D
(e) 69H

25. In a certain code language ‘DOME’ is written as ‘8943’, and ‘MEAL’ is written as ‘4321’. What group of letters can be formed for the code ‘38249’?
(a) EOADM                (b) MEDOA
(c) EMDAO                (d) EDAMO
(e) MEAOD

26. How many such pairs of letters are there in the word “MARKET”, each of which has as many letters between them in the word as in the English alphabet?
(a) None                      (b) One
(c) Two                                    (d) Three
(e) More than three

27. If it is possible to make only one meaningful word with the first, third, fifth and the ninth letters of the word ‘CURVATURE’, which would be the second letter of the word? If more than one such word can be formed, give X as the answer. If no such word can be formed, give K as your answer.
(a) R                (b) D
(c) X                (d) I
(e) K

28. Each vowel in the word SURROUND is changed to the previous letter in the English alphabet and each consonant is changed to the next letter in the English alphabet. Which of the following will be the second from the right end in the new arrangement?
(a) N                (b) T
(c) S                 (d) O
(e) E

29. The positions of the first and the second digits of the number 45739862 are interchanged. Similarly, the positions of the third and the fourth digits are interchanged and so on. Which of the following will be the sixth digit from the left end after the rearrangement?
(a) 6                 (b) 8
(c) 9                 (d) 2

(e) 7

                                   Answers Will Be Updated Soon.......

Thursday, 2 November 2017


Direction (1-3): Following question are based on the five three-digit numbers given below:

937, 425, 816, 398, 671

1. If the position of the first and the third digits within each number are reversed, which of the following will be the third digit of the second lowest number?
a. 8                              b. 9
c. 4                              d. 6
e. None of these

2. Which of the following is the sum of the first and the second digits of the lowest number?
a. 12                            b. 6
c. 9                              d. 13
e. None of these

3. Which of the following is the second digit of the second highest number?
a. 3                  b. 2
c. 1                  d. 9
e. 7

Direction (4-6): Following questions are based on the five three-digit numbers given below:

528   739   846   492   375

4. Which of the following represents the sum of the first two digit of the highest number?
a. 7                              b. 10
c. 12                            d. 13
e. None of these

5. If the positions of the first and the second digits of each number are interchanged, which of the following will be the third digit of the second lowest number?
a. 8                  b. 9
c. 6                  d. 2
e. 5

6. If the positions of the first and the third digits of each number are interchanged, which of the following will be the middle digit of the third highest number?
a. 2                  b. 3
c. 4                  d. 9
e. 7

Direction (7-11): Study the following arrangement carefully and answer the questions given below:

4 1 6 5 8 4 7 5 1 3 2 9 2 5 2 9 1 2 5 3 6 8 2 8 7 3 1 6 2 4 5 4 9

7. How many 2s are there in the above arrangement, each of which is immediately preceded by a digit which has a numerical value of less than two?
a. None                        b. One
c. Two                         d. Three
e. More than three

8. How many' such 4s are there in the above arrangement, each of which is immediately followed by a perfect square?
a. None                        b. One
c. Two                         d. Three
e. More than three

9. If all the even digits are deleted from the above arrangement, which number will be 8th from the left end?
a. 5                  b. 3
c. 1                  d. 9
e. 7

10. Which of the following is sixth to the left of the eighteenth digit from the left end of the above arrangement?
a. 9                              b. 8
c. 2                              d. 6
e. None of these

11. How many such 5s are there in the above arrangement each of which is immediately preceded by an odd digit" and also immediately followed by an odd digit?
a. None                        b. One
c. Two                         d. Three
e. More than three

Directions (12-16): Read the below given information and answer the asked questions accordingly:

753     481      647     374      298

12. If each digit is placed in ascending order in the given sets then which will be the smallest number of the above given sets?

A. 753             B. 481                         
C. 647             D. 298            
E. 374

13. If the first digit of the second largest number is divided by the first digit of the smallest number then what will be the result?

A. 2                             B. 1                               
C. 3                             D. 5                
E. 3.5

14. If the second digit of the smallest number is multiplied by the third digit of the largest number then what will be the result?

A. 49                           B. 21                           
C. 63                           D. 27              
E. 40

15. If 2 is subtracted from the last digit of every odd number and 1 is added to the last digit of every even number then what will be the difference between the largest and the smallest number?

A. 349             B. 456                         
C. 346             D. 455            
E. 452

16. If 2 is added to every number then how many of them is divisible by 3?

A. Zero                         B. One                         
C. Two                         D. Three           
E. More than three

Directions (17-21): Read the below given information and answer the asked questions accordingly:   
                               (IBPS RRB CLERK 2016)

 853    581     747    474      398

17. If all the digits in each of the numbers are arranged in descending order within the number, which of the following will form the lowest in the new arrangement of numbers?

(a) 853                         (b) 581                        
(c) 747                        (d) 398                        
(e) 474

18. If all the numbers are arranged in ascending order from left to right, which of the following will be the sum of all the three digits of the number which is exactly in the middle of the new arrangement?

(a) 17                           (b) 15                            
(c) 14                           (d) 13                          
(e) 19

19. What will be the resultant of third digit of the lowest number is multiplied with the second digit of the highest number?

(a) 27                    (b) 40                    
(c) 20                             (d) 45                          
(e) 19

20. If the positions of the second and the third digits of each of the numbers are interchanged, how many even numbers will be formed?

(a) None                (b) One                 
(c) Two           (d) Three                       
(e) Four

21. If one is added to the first digit of each of the numbers, how many numbers thus formed will be divisible by three?

(a) None                (b) One                   
(c) Two           (d) Three             
(e) Four

Directions (22-25): Read the below given information and answer the asked questions accordingly:

821    547    452     935    368

22. If the second and third digit of each number is multiplied then which of the following number will have the highest value?

A. 821             B. 547            
C. 368             D. 935            
E. 452

23. In how many of the given number the difference between the first and second digit is more than its third digit?

A. Three                       B. More than three      
C. Two                        D. One            
E. Zero

24. If 2 is added to the second digit of every even number and 3 is subtracted from the first digit of every odd number then in how many numbers digits will be repeated twice?

A. Zero                       B. One             
C. Two                        D. Three                      
E. More than three

25. If the first and the third digit of every number are interchanged then what will be the second smallest number?

A. 547            B. 452                         
C. 935             D. 368           
E. 821

Directions (26-29): Read the below given information and answer the asked questions accordingly:

            732   517    293    315    638

26. In how many numbers the multiplication of first and second digit is greater than the third digit?

A. Three                       B. Two               
C. One                          D. Four                        
E. None

27. If 17 is added to every number then in how many of the resultant number, the second digit is greater than 7?

A. Three                       B. Two            
C. One                         D. Zero                         
E. Four

28. If all the numbers are arranged in descending order from left to right then what will be the sum of the digits of third number from the left end?

A. 9                             B. 13                           
C. 17                           D. 14                          
E. None

29. If 2 is added to every even number and 2 is subtracted from the odd number then in how many numbers a digit is repeated twice?

A. More than 3             B. One            
C. Two                        D. Zero                       

E. None 

                        Answers Will Be Updated Soon......

Wednesday, 1 November 2017



Directions(1-15): Find the missing alphabet in the given series:

1. HJB, IKC, JLD, KME, ______:
a) LNF            b) LEF
c) LFN            d) None of These

2. DLM, ENO, FPQ, GRS, ______:
a) HUT                        b) HTU
c) THU                        d) None of These

3. ONM, LKJ, IHG, FED, ______:
a) CAB                        b) CBA
c) ABC                        d) None of These

4. MN, KP, GT, W__:
a) X                 b) D
c) C                 d) None of These

5. BFN, CFO, DFP, EFQ, ____
a) GGR                       b) FFR
c) FGR                                    d) None of These

6. QRD, RSE, STF, TUG ____:
a) HVU                       b) UUH
c) UVH                       d) None of These

7. UTS, RQP, ONM, LKJ, ____:
a)  IHG                        b) HIG
c) HJI                          d) None of These

8. HJL, NPR, TVX, _____:
a) YAC                       b) ZBD
c) ZAB                        d) None of These

9. AE, JO, ____, DI, NS:
a) SX               b) TY
c) HN              d) None of These

10. OMK, IGE, ___, WUS:
a) FHJ                         b) CAY
c) XYZ                        d)None of These

11. ACE, IKM, PRT, ______:
a) XZB                        b) UXZ
c) VXZ                        d) None of These

12. QFG, RHI, SJK,______, UNO
a) TLM                        b) LMN
c) UMN                       d) None of These

13. FRT, GSU, HTV, _____, JVX:
a) KUZ                        b) WXY
c) IUW                        d) None of These

14. ON:LM, QP:JK, UT:____, RQ:IJ  :
a) FG               b) VW
c) WV             d) None of These

15. OLI, FCZ, ____, NKH:
a) WTQ                       b) BEG
c) GDA                       d) None of These

Directions (16-19):Read the below given information and answer the asked questions accordingly:

B A E D A D E B C A C U A B D U A D B E B A B C U D E B C D C

16. How many vowels are there in the above series which are immediately preceded by a vowel and immediately followed by a consonant?

A. Two                        B. Three              
C. Four                        D. One           
E. More than four

17. How many meaningful words can be formed from second, fourth and seventh letters from the right end?

A. Three                      B. Two                 
C. Four                        D. One                       
E. Zero

18. If all the E’s are dropped from the above arrangement then which is tenth from the left end?

A. B                            B. U                           
C. D                            D. E                
E. C     

19. How many vowels are there between fourth from the left letter and 12 from the right letter in above series?
A. 4                             B. 5                            
C. 6                             D. 7                
E. 8 

Directions (20-24):Read the below given information and answer the asked questions accordingly:

C E B A C D B C D A C E D E D C A B A D A C E D U B A N B D

20. How many D’s are there in the above arrangement which are immediately preceded by a consonant and immediately followed by a vowel?

A. Zero                        B. One             C. Two        
D. Three                      E. More than three

21. How many D’s are there in the above arrangement?

A. Four                        B. Three         
C. Five                        D. Seven        
E. Six

22. If all the B’s are dropped from the above arrangement then which is eleventh from the left end?

A. D                    B. C                          
C. E                     D. A                       
E. None

23. How many A’s are there in the above arrangement which are immediately preceded by a B and immediately followed by a vowel?

A. Zero                        B. One                        
C. Two                        D. Three        
E. More than three

24. Which of the following is ninth to the right of twentieth from the right end of the above series?

A. A                    B. C                        
C. B                     D. E                        
E. D

Directions (25-29):Read the below given information and answer the asked questions accordingly:
                                    (IBPS CLERK 2016)

    THE    MOD    CPU    RAM    SHE

25. If the second alphabet in each of the word is changed to the previous alphabet in English alphabetical order, how many words thus formed have more than one vowel?

(a) None                       (b) One                      
(c) Two                        (d) Three         
(e) None of the above

26. If in each of the words, all the alphabets are arranged in English alphabetical order within the word, how many words will begin with a vowel?

(a) One                        (b) Two                        
(c) Three                      (d) Four                      
(e) None of the above

27. How many letters are there in the English alphabetical series between the third letter of the second word from the left and second letter of the second word from the right?

(a) One                         (b) Two                       
(c) Three                       (d) Four                     
(e) None of the above

28. If the given words are arranged in the order as they would appear in the English dictionary from left to right, which of the following will be the fourth from the left?

(a) RAM          (b) SHE                      
(c) CPU           (d) MOD        
(e) THE


29. If in each of the given words, each of the consonants is changed to the previous letter and each vowel is changed to the next letter in English alphabetical series, in how many words thus formed will there be no vowel?

(a) One                        (b) Two                      
(c) Three                      (d) Four                      

(e) None of the above 


                                    Answers to be updated soon.........

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