Dear Students,

Numerical Ability for SBI Clerk Prelims 2018

Numerical Ability Section has given heebie-jeebies to the aspirants when they appear for a banking examination. As the level of every other section is only getting complex and convoluted, there is no doubt that this section, too, makes your blood run cold. The questions asked in this section are calculative and very time-consuming. But once dealt with proper strategy, speed, and accuracy, this section can get you the maximum marks in the examination. Following is the Numerical Ability quiz to help you practice with the best of latest pattern questions.

Q1. A tank is filled by three pipes with uniform flow. The first two pipes operating simultaneously fill the tank in the same time during which the tank is filled by the third pipe alone. The second pipe fills the tank 5 hrs faster than the first pipe and 4 hrs slower than the third pipe. The time required by the first pipe is:
(a) 6 hrs
(b) 10 hrs
(c) 15 hrs
(d) 30 hrs
(e) 24 hrs

Q2.  N number of men can finish a piece of work in 40 days. If there were 8 more men, the work could be finished in 10 days less. What will be double the original no of men?
(a) 36
(b) 54
(c) 24
(d) 48
(e) 42

Q3. A sum of money is accumulating at compound interest at a certain rate of interest. If simple interest instead of compound were reckoned, the interest for the first two years would be diminished by Rs. 20 and that for the first three years by Rs. 61. Find the sum.
(a) Rs. 6000
(b) Rs. 8000
(c) Rs. 7500
(d) Rs. 6500
(e) Rs. 7000

Q4. Expenses of a hostel are partly constant and partly vary with number of students. When there are 20 students, total expenses are Rs. 2000. When there are 50 students, total expenses are Rs. 3500. Find the total expenses when there are 70 students in the hostel.
(a) 4000
(b) 5000
(c) 3500
(d) 5500
(e) 4500

Q5. The age of a person k years ago was half of what his age would be k years from now. The age of the same person p years from now would be thrice of what his age was p years ago. What is the value of the ratio k : p?
(a) 3 : 2
(b) 2 : 3
(c) 1 : 4
(d) 4 : 1
(e) 3 : 5

Solutions (1-5):

Directions (Q.6-10): What should come in place of question mark (?) in the following number series?

Q6.  8, 7, 11, 12, 14, 17, 17, 22, ?
(a) 27
(b) 20
(c) 22
(d) 24
(e) 25

Q7. 11, 29, 83, 245, 731, ?
(a) 2193
(b) 2189
(c) 2139
(d) 2389
(e) 2219

Q8. 3, 8, 20, 46, 100, 210, ?
(a) 436
(b) 438
(c) 416
(d) 432
(e) 430

Q9. 5, 7, 17, 55, 225, 1131, ?
(a) 6973
(b) 6379
(c) 7639
(d) 7369
(e) 6793

Q10. 1, 5, 14, 30, 55, 91, ?
(a) 128
(b) 140
(c) 135
(d) 138
(e) 142

Solutions (6-10):

Direction (Q11 – Q15): What approximate value should come in place of question mark (?) in the following questions?
(Note: You are not expected to calculate the exact value)

Q11. 2.55% of 440 + 0.366% of 4880 =?
(a) 38
(b) 20
(c) 35
(d) 25
(e) 30

Q12. 0.0004 ÷ 0.0001 × 36.000009 =?
(a) 0.10
(b) 1.45
(c) 145
(d) 14.5
(e) 1450

Q13. 63.9872 × 9449.8780 ÷ 240.0034 = (?)^2
(a) 2489
(b) 2500
(c) 50
(d) 45
(e) 150

Q14. 4985.0346 ÷ 215.987 – 3768.112 ÷ 206.868 =?
(a) 8
(b) 5
(c) 18
(d) 11
(e) 15

Q15. 989.801 + 1.00982 × 76.792 =?
(a) 1000
(b) 1100
(c) 1067
(d) 110
(e) 100

Solutions (11-15):