Showing posts with label quant-study-material. Show all posts
Showing posts with label quant-study-material. Show all posts

Sunday, 26 November 2017



Directions (1-5): Study the following graph carefully to answer the questions that follow: 

Q1. What is the average number of females from all the organizations together? 
(a) 2700
(b) 2500
(c) 2800
(d) 2900
(e) 2750

Q2. The total number of males from organization Vaishali and Vashundhra together is approximately what percent of the total number of females from organization Vaishali, Vashundhra and Model Town together? 
(a) 33%
(b) 55%
(c) 66%
(d) 78%
(e) 7.5%

Q3. What is the difference between the total number of females and the total number of males from organization Vaishali, Vashundra, Model Town and Ashok Nagar together?  
(a) 900
(b) 800
(c) 700
(d) 600
(e) None of these 

Q4. What is the ratio of the number of females from organization Vashundra to the number of females from organization Pritampura? 
(a) 6 : 5 
(b) 5 : 6 
(c) 6 : 7 
(d) 7 : 6
(e) 4 : 5 

Q5. The number of males from organization Vashundhra is approximately what percent of the total number of males from all the organizations together? 
(a) 23.42%
(b) 21.42%
(c) 25%
(d) 26%
(e) 22.43%

Directions (6-10): Study the following bar-graph carefully and answer the following questions: 

Q6. What is the Average earning of Amazon from all the countries together (in million) ?
(a) 285
(b) 290
(c) 280
(d) 295
(e) None of these

Q7. What is the total amount earned by Microsoft and Facebook together from USA and India (in million) ?
(a) 1050
(b) 950
(c) 1200
(d) 1100
(e) None of these

Q8. Amazon donated his earning from Malaysia to Facebook. What was Facebook’s total earning from Malaysia after Amazon’s donation (in Million) ?
(a) 540
(b) 560
(c) 620
(d) 640
(e) None of these

Q9. What is the ratio of earning of Facebook starting from India, China, Malaysia and U.S.A. ?
(a) 18 : 13 : 6 : 8
(b) 8 : 7 : 13 : 17
(c) 8 : 6 : 14 : 19
(d) 7 : 6 : 13 : 20
(e) None of these

Q10. What is the difference between total earning of Microsoft from all four countries and total earning of Facebook from all four countries?
(a) 420
(b) 520
(c) 360
(d) 320
(e) 440

Directions (Q. 11-15): Read the following line graph carefully and answer the following questions correctly 

Q11. What is the average number of students taken by all of the PSUs together ?
(a) 2270 
(b) 2275
(c) 2280
(d) 2285
(e) None of these 

Q12. If three fourth of the female students selected at each PSU are at clerical posts and there are 40% females for every PSU, then find the number of female selected for clerical posts in GAIL, HMT and NLC together ? 
(a) 2230 
(b) 2200
(c) 2130
(d) 2100
(e) None of these 

Q13. Students selected by GAIL and HMT together are what percent more than that of the  students selected by NTPC ? (Rounded off to two decimal points)
(a) 158.94% 
(b) 156.84%
(c) 162.84%
(d) 152.94%
(e) 154.94%

Q14. What is the ratio between the students selected by SAIL and NTPC together to the students taken by all of the PSUs together excluding HMT ?
(a) 61 : 161 
(b) 53 : 153
(c) 37 : 137 
(d) 43 : 143
(e) 47 : 147

Q15. In every year there is an increase of 25% vacancies in all of the PSUs then what is the ratio between total vacancies declared by all of the PSUs in 2017 to the total number of vacancies declared by all of the PSUs in 2013. 
(a) 625 : 256 
(b) 256 : 625
(c) 256 : 81
(d) 81 : 256 
(e) None of these

Solutions
















Friday, 24 November 2017



Directions (Q1-4): Answer the questions based on the following information.

Venkat, a stockbroker, invested a part of his money in the stock of four companies…. A, B, C, D. Each of these companies belonged to different industries, viz, Cement, Information Technology (IT), Auto and Steel, in no particular order. At the time of investment, the price of each stock was Rs.100. Venkat purchased only one stock of each of these companies. He was expecting returns of 20%, 10%, 30% and 40% from the stock of companies A, B, C and D, respectively.
Returns are defined as the change in the value of the stock after one year, expressed as a percentage of the initial value. During the year, two of these companies announced extraordinarily good results. One of these two companies belonged to the Cement or the IT industry, while the other one belonged to either the Steel or the Auto industry. As a result, the returns on the stocks of these two companies were higher than the initially expected returns. For the company belonging to the cement or the IT industry with extraordinarily good results, the results were twice that of the initially expected returns. For the company belonging to the Steel or the Auto industry, the returns on the announcement of extraordinarily good results were only one and a half times that of the initially expected returns. For the remaining two companies, which did not announce extraordinarily good results, the returns realized during the year were the same as initially expected.

Q1. If Company C belonged to the Cement or the IT industry and did announce extraordinarily good results, then which of these statement(s) would necessarily be true? 
I. Venkat earned not more than 36.25% return on average. 
II. Venkat earned not less than 33.75% return on average
III. If Venkat earned 33.75% return on average, Company A announced extraordinarily good results. 
IV. If Venkat earned 33.75% return on average Company B belonged either to Auto or to Steel Industry. 
(a) I and II only  
(b) II and IV only 
(c) II and III only 
(d) III and IV only 
(e) None of these

Q2. In Venkat earned a 38.75% return on average during the year, then which of these statement(s) would necessarily be true? 
I. Company C belonged either to Auto or to Steel Industry.
II. Company D belonged either to Auto or to Steel Industry. 
III. Company A announced extraordinarily good results.
IV. Company B did not announce extraordinarily good results.
(a) I and II only 
(b) II and III only 
(c) I and IV only 
(d) II and IV only 
(e) None of these

Q3. If Venkat earned a 35% return on average during the year, then which of these statements would necessarily be true? 
I. Company A belonged either to Auto or to Steel Industry.
II. Company B did not announce extraordinarily good results. 
III. Company A announced extraordinarily good results.
IV. Company D did not announce extraordinarily good results.
(a) I and II only 
(b) II and III only 
(c) III and IV only 
(d) II and IV only 
(e) None of these

Q4. What is the minimum average return Venkat would have earned during the year? 
(a) 30%
(b) 125/4%
(c) 65/2%
(d) Cannot be determined 
(e) None of these

Directions (Q5-10): Answer the questions based on the following information. 

Help Distress (HD) is an NGO involved in providing assistance to people suffering from natural disasters. Currently, it has 37 volunteers. They are involved in three projects: Tsunami Relief (TR) in Tamil Nadu, Flood Relief (FR) in Maharashtra and Earthquake Relief (ER) In Gujarat. Each volunteer working with Help Distress has to be involved in at least one relief work project. 
I. A maximum number of volunteers are involved in the FR project. Among them, the number of volunteers involved in FR project alone is equal to the volunteers having additional involvement in the ER project
II. The number of volunteers involved in the ER project alone is double the number of volunteers involved in all the three projects.
III. 17 volunteers are involved in the TR project.
IV. The number of volunteers involved in the TR project alone is one less than the number of volunteers involved in ER project alone.
V. Ten volunteers involved in the TR project are also involved in at least one more project. 

Q5. How many Volunteers are working in ER project alone?
(a) 4
(b) 8
(c) 12
(d) 7 
(e) None of these

Q6. How many volunteers are working in all three projects initially?
(a) 4
(b) 8
(c) 12
(d) 7
(e) None of these

Q7. After the withdrawal of volunteers, as indicated in Question 4, some new volunteers joined the NGO. Each one of the them was allotted only one project in manner such that, the number of volunteers working in one project alone for each of the three projects became identical. At that point, it was also found that the number of volunteers involved in FR and ER projects was the same as the number of volunteers involved in TR and ER projects. Which of the projects, now has the highest number of volunteers? 
(a) ER
(b) FR
(c) TR
(d) Cannot be determined 
(e) None of these

Q8. After some time, the volunteers who were involved in all the three projects were asked to withdraw from one project. As a result, one of the volunteers opted out of the TR project ,out of the ER project, while the remaining ones involved in all the three projects opted out of the FR project. Which of the following statements, then necessarily follows? 
(a) The lowest number of volunteers in Now, in TR project 
(b) More volunteers are, now in FR project as compared to ER project 
(c) More volunteers are, now in TR project as compared to ER project 
(d) None of these
(e) Can’t be determined

Q9.Which of the following additional information would enable to find the exact number of volunteers involved in various projects? 
(a) Twenty volunteers are involved in FR 
(b) Four volunteers are involved in all the three projects 
(c) Twenty-three volunteers are involved in exactly one project  
(d) No need for any additional information 
(e) None of these

Q10.Based on the information given above, the minimum number of volunteers involved in both FR and TR projects, but not in the ER project is
(a) 1
(b) 3
(c) 4
(d) 5
(e) Can’t be determined

Solutions (5-10):




Directions (11-15): Answer the questions based of the following information. 

Krishna distributed 10-acre land to Gopal and Ram who paid him the total amount in the ratio 2: 3. Gopal invested a further Rs. 2 lakh in the land and planted coconut and lemon trees in the ratio 5: 1 on equal areas of land. There were a total of 100 lemon trees. The cost of one coconut was Rs. 5. The crop took 7 yr to mature and when the crop was reaped in 1997, the total revenue generated was 25% of the total amount put in by Gopal and Ram together. The revenue generated from the coconut and lemon trees was in the ratio 3: 2 and it was shared equally by Gopal and Ram as the initial amounts spent by them were equal. 

Q11. What was the ratio of yield per acre of land for coconuts and lemons (in terms of number of lemons and coconuts)? 
(a) 3: 2
(b)2: 3
(c) 1: 1
(d) Cannot be determined
(e) None of these

Q12. What was the value of output per tree for coconuts? 
(a) Rs 36
(b) Rs 360
(c) Rs 3,600
(d) Rs 240 
(e) None of these

Q13. What was the amount received by Gopal in 1997? 
(a) Rs. 1.5 lakh 
(b) Rs. 3 lakh 
(c) Rs. 6 lakh 
(d) None of these 
(e) None of these

Q14. What was the value of output per acre of the lemon tree planted? 
(a) 0.24 lakh/acre
(b) 2.4 lakh/acre
(c) 24 lakh/acres
(d) Cannot be determined 
(e) None of these

Q15. What was the total output of coconuts? 
(a) 24,000
(b) 36,000
(c) 18,000
(d) 48,000
(e) None of these

Solutions (11-15):

 

Thursday, 23 November 2017



Q1. Three numbers A, B and C are in the ratio of 12 : 15 : 25. If sum of these numbers is 312, find the ratio between the difference of B and A and the difference of C and B.  
(a) 3 : 7
(b) 10 : 3
(c) 3 : 10 
(d) 7 : 3
(e) None of these 



Q2. If A : B = 3/4, B : C = 4/5, C : D = 5/6, then A : D will be: 
(a) 2 : 3
(b) 4 : 3
(c) 1 : 2
(d) 2 : 1
(e) None of these  

S2. Ans.(c)
Sol. A : B = 3 : 4, B : C = 4 : 5, C : D = 5 : 6
∴A∶B∶C∶D= 3 : 4 : 5 : 6.
Thus, A : D = 3 : 6 or, 1 : 2. 
Q3.  The ratio of present ages of Suresh and Mahesh is 7 : 5. If after 6 years their ages will be in the ratio of 4 : 3, the present age of Mahesh is:  
(a) 32 years 
(b) 36 years 
(c) 30 years 
(d) 35 years
(e) None of these 



Q4. In a mixture of 60 litres, the ratio of milk and water is 2 : 1. What amount of water must be added to make the ratio of milk and water as 1 : 2?
(a) 75 litres 
(b) 55 litres 
(c) 60 litres 
(d) 65 litres 
(e) None of these 

S4. Ans.(c)
Sol. Here, milk = 40, water = 20
Let x litres of water is added
(20+x)/(60+x) = 2/3
x = 60 litres 

Q5. Mixture of milk and water has been kept in two separate containers. Ratio of milk to water in one of the containers is 5 : 1 and that in the other container 7 : 2. In what ratio the mixtures of these two containers should be added together so that the quantity of milk in the new mixture may become 80%? 
(a) 2 : 3
(b) 3 : 2
(c) 4 : 5 
(d) 1 : 3 
 (e) None of these 



Q6. Seven men, five women and eight children were given as assignment of distributing 2000 books to students in a school over a period of three days. All of them distributed books on the first day. One of the second day two women and three children remained absent and on the third day three men and five children remained absent. If the ratio of the number of books distributed in a day by a man, a woman and a child was 5 : 4 : 2 respectively, a total of approximately how many books were distributed on the second day?  
(a) 1000
(b) 800
(c) 650
(d) 900
(e) Cannot be determined 

S6. Ans.(c)
Sol. Let the books distributed by man, a woman and a child be 5x, 4x and 2x respectively. 
∴ No. of books distributed in 1st day 
= 7×5x+5×4x+8×2x=71x 
No. of books distributed in 1Ind day 
=7×5x+3×4x+5×2x=57x  
And no. of books distributed in IIIrd day 
=4×5x+5×4x+3×2x=46x 
71x + 57x + 46x = 2000, x = 2000/174 
57x=2000/174×57=650 (Approx.) 

Q7. A sum of money is divided among A, B, C and D in the ratio 3 : 5 : 8 : 9 respectively. If the share of D Rs. 1,872 more than the share of A, then what is the total amount of money of B & C together? 
(a) Rs. 4,156 
(b) Rs. 4,165
(c) Rs.4,056 
(d) Rs. 4,065
(e) None of these 



Q8. The ratio of the incomes of two persons is 5 : 3 and that of their expenditure is 9 : 5. If they save Rs. 2600 and Rs. 1800 respectively, then their incomes are:
(a) Rs. 8000, Rs. 4800
(b) Rs. 6000, Rs. 3600
(c) Rs. 10000, Rs.60000
(d) Rs. 9000, Rs. 5400
(e) None of these 



Q9. A bag contains one rupee, 50 paise and 25 paise coins in the ratio 2 : 3 : 5. Their total value is Rs. 144. The value of 50-paise coins is:   
(a) Rs. 24
(b) Rs. 36
(c) Rs. 48
(d) Rs. 72 
(e) None of these 

S9. Ans.(b) 
Sol. Let the number of one-rupee coins, 50-paise coins and 25-paise coins be 2k, 3k and 5k, respectively. 
∴ 2k × 1 + 3k × 0.50 + 5k × 0.25 = 114 
⇒ 2k + 1.50k + 1.25k = 114 
⇒ 4.75k = 114
⇒ k = 24. 
50 paise value = 1.5x = 1.5*24 = 36
Q10. Two numbers are in the ratio 1(1/2) ∶2(2/3). When each of these is increased by 15, they become in the ratio 1(2/3) ∶2(1/2). The greater of the numbers is:  
(a) 27
(b) 36
(c) 48
(d) 64
(e) None of these 


Q11. Determine the ratio of the number of people having characteristic X to the number of people having characteristic Y in a population of 100 subjects from the following table: 
Having X and Y - 10
Having X but not Y - 30
Having Y but not X - 20
Having neither X nor Y - 40 
(a) 4 : 3  
(b) 3 : 2
(c) 1 : 2
(d) 2 : 3 
(e) None of these 
S11. Ans.(a)
Sol. Number of people having characteristic X
= 10 + 30 = 40
Number of people having characteristic Y 
= 10 + 20 = 30 
Required ratio = 40 : 30 = 4 : 3  

Q12. The incomes of A, B and C are in the ratio 7 : 9 : 12 and their spending are in the ratio 8 : 9 : 15. If A saves one-fourth of his income, then the savings of A, B and C are in the ratio of:  
(a) 69 : 56 : 48
(b) 47 : 74 : 99 
(c) 37 : 72 : 49 
(d) 56 : 99 : 69 
(e) None of these 



Q13. The students in three classes are in the ratio 4 : 6 : 9. If 12 students are increased in each class, the ratio changes to 7 : 9 : 12. Then the total number of students in the three classes before the increase is:  
(a) 95
(b) 76
(c) 100
(d) 114 
(e) None of these 

S13. Ans.(b)
Sol. Let the original number of students be 4x, 6x and 9x. 
Now, according to the question, 
(4x + 12)/(6x + 12)=7/9 
⇒ 42x + 84 = 36x + 108 
⇒ 42x – 36x = 108 – 84 
⇒ 6x = 24 
⇒ x = 4 
∴ Required number of students = 4x + 6x + 9x = 19x = 19 × 4 = 76   

Q14. When X is subtracted from the numbers 9, 15 and 27, then remainders are in the continued proportion. What is the value of X?
(a) 8
(b) 6
(c) 4
(d) 5
(e) None of these

S14. Ans.(e)
Sol. Let x be subtracted from the numbers 9, 15 and 27 we get continue proportion.
Now, (9 – x) : (15 – x) : (27– x) 
∴ b^2=ac 
⇒ (15-x)^2=(9-x)(27-x) 
Or, 225 – 30x +x^2=243+x^2-36x 
Or 6x = 243 – 225 = 18 
∴ x = 3 
Hence, number become 9 – x = 9 – 3 = 6 
15 – x = 15 – 3 = 12 
And, 27 – x = 27 – 3 = 24 
∴ 6 : 12 : 24 = 1 : 2 : 4 
Q15. A certain amount was to be distributed among A, B and C in the ratio 2 : 3 : 4, but was erroneously distributed in the ratio 7 : 2 : 5. As a result of this, B received Rs. 40 less. What is the actual amount? 
(a) Rs. 210
(b) Rs. 270
(c) Rs. 230
(d) Rs. 280
(e) None of these 


Wednesday, 22 November 2017



Directions (1-5): What approximate value should come in place of question mark (?) in the following equation?

Q1. 32.05% of 259.99 =?
(a) 92 
(b) 88
(c) 78 
(d) 90
(e) 83


Q2. 4.78% of 1255 + 3.24% of 440 = 0.5% of ?
(a) 14260 
(b) 14492
(c) 14636 
(d) 14849
(e) 15002


Q3. 35.05% of 3365 + 8900 ÷ 41.99 = ?
(a) 1350 
(b) 1390
(c) 1430 
(d) 1480
(e) 1530


Q4. (385% of 463) ÷179 = ?
(a) 10 
(b) 16
(c) 24 
(d) 30
(e) 40


Q5. 84.04% of 1845 + 23.97% of 178.05 = ?
(a) 1510 
(b) 1530
(c) 1550 
(d) 1570
(e) 1590


Q6. In a co-education school there are 15 more girls than boys. If the number of girls is increased by 10% and the number of boys is also increased by 16%, there would be nine more girls than boys. What is the number of students in the school?
(a) 240 
(b) 225
(c) 265 
(d) 245
(e) None of these


Q7. The population of a city increases at the rate of 4% per annum. There is an additional annual increase of 1 % in the population due to the influx of job seekers. Therefore, the % increase in the population after 2 years will be:
(a) 10 
(b) 10.25
(c) 10.55 
(d) 10.75
(e) None of these


Q8. In a factory, producing parts of an automobile, the parts manufactured on the shop floor are required to go through quality checks, each conducted after a specific part of the processing on the raw material is completed. Only parts that are not rejected at one stage are put through subsequent stages of production and testing. If average rejection rates at these three testing stages during a month are 10%, 5% and 2% respectively, then what is the effective rejection rate for the whole plant?
(a) 17%
(b) 15.20%
(c) 84.80% 
(d) 16.21%
(e) None of these


Q9. In a class, 40% of the boys is same as 1/2 of the girls and there are 20 girls. Total number of students in the class is:
(a) 70
(b) 45
(c) 35 
(d) 25
(e) None of these


Q10. In a company, there are 75% skilled workers and remaining ones are unskilled. 80% of skilled workers and 20% of unskilled workers are permanent. If number of temporary workers is 126, then what is the number of total workers?
(a) 480 
(b) 510
(c) 360 
(d) 377
(e) None of these


Q11. There were two candidates in an election. 10% of the voters did not vote. 60 votes were declared invalid. The elected candidate got 308 votes more than his opponent. If the elected candidate got 47% of the total votes, how many votes did each candidate get?
(a) 2316 and 2012 
(b) 2629 and 2324
(c) 2871 and 2575 
(d) 2914 and 2606
(e) None of these


Q12. 7% of the total quantity of wheat is lost in grinding when a country has to import 6 million tonnes, but when only 7 3/4% is lost, it can import 3 million tonnes. Find the quantity of wheat grown in the country.
(a) 500 million tonnes
(b) 400 million tonnes
(c) 600 million tonnes 
(d) 700 million tonnes
(e) 800 million tonnes


Q13. In a medical certificate, by mistake a candidate gave his height as 25 % more than actual. In the interview panel, he clarified that his height was 5 feet 5 inches. Find the percentage correction made by the candidate from his stated height to his actual height.
(a) 28.56
 (b) 20
(c) 25 
(d) 30
(e) 35


Q.14 The total tractor population in a state is 2,94,00 out of which 1,50,00 are made by Mahindra & Mahindra. Out of every 100 Mahindra tractors, 98 are red in colour, but only 53% of the total tractor population is red. Find the percentage of non- Mahindra tractors that are red.
(a) 5.025% 
(b) 5.130%
(c) 6.125% 
(d) 6.140%
(e) 7.145%


Q15. The price of petrol is increased by 25%. How much per cent must a car owner reduce his consumption of petrol so as not to increase his expenditure on petrol?
(a) 25% 
(b) 50%
(c) 30% 
(d) 20%
(e) None of these


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