Simplification for IBPS Clerk Prelims 2017 (DAY-14)

Directions (1-15): What will come in place of question-mark (?) in the following question?

(a) 5.55

(b) 55.5

(c) 50.5

(d) 5.05

(e) 50.05 

(a) 450

(b) 410

(c) 458

(d) 350

(e) 358

Q4. (4444 ÷ 40) + (645 ÷ 25) + (3991 ÷ 26) = ?  

(a) 280.4

(b) 290.4

(c) 295.4

(d) 285.4 

(e) None of these 

Q5. [(15.5 × 28) ÷ 16 - 1230 ÷ 240] = ? × 5  

(a) 4.4

(b) 4

(c) 5

(d) 4.2

(e) 2.4 

(a) 2.75

(b) 2.5

(c) 1.75

(d) 2.28

(e) 1.5 

(a) 8

(b) 12

(c) 4

(d) 10

(e) 16

(a) 23

(b) 16

(c) 11

(d) 32

(e) None of these 

(a) 200

(b) 250

(c) 50

(d) 100

(e) None of these 

(a) 75

(b) 77

(c) 49

(d) 81

(e) 78 

(a) 16.25

(b) 15.1

(c) 13.4

(d) 18.9

(e) None of these 

(a)  3520

(b) 3250

(c) 3350

(d) 3540

(e) None of these 

Q15. If x% of 500 = y% of 300 and x% of y% of 200 = 60, then x = ?  

(a) 10√2

(b) 20√2

(c) 15√2

(d) 30√2

(e) None of these 

Solutions

S4. Ans.(b)
Sol. Here, we apply the BODMAS rule as follows 
(4444 ÷ 40) + (645 ÷ 25) + (3991 ÷ 26) = ? 
= 111.1 + 25.8 + 153.5 = 290.4  

S5. Ans.(a)
Sol. Here, 
[(15.5 × 28) ÷ 16 - 1230 ÷ 240] = ? × 5 
⇒ 434 ÷ 16 - 5.125 = ? × 5 
⇒ 27.125 - 5.125 = ? × 5 
⇒ 22 = ? × 5 
⇒ ?=22/5 
= 4.4

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