# Quantitative Aptitude Quiz for IBPS Clerk Prelims: 10th December 2018

**Dear Aspirants,**

Numerical Ability or Quantitative Aptitude 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 Quantitative Aptitude quiz to help you practice with the best of latest pattern questions.

**Q1. The average age of Sandeep and Abhishek is 18 years. If Neha replaces Abhishek, the average age is increased by 1 and when Abhishek replaces Sandeep the average age becomes 17 years. What is the age of Neha?**

20 years

18 years

16 years

22 years

24 years

**Q2. The average age of three members father, Son and daughter of a family is 26 years. The ratio of their present ages is 15 : 6 : 5. Find the difference between age of father and son.**

25 years

27 years

30 years

23 years

None of these

Solution:

Let the present ages of father, son and daughter are 15x, 6x and 5x years respectively.

∴ 26x = 26×3

⇒x=3

Required difference = 45 – 18 = 27 years

**Q3. A bag contains 4 red flags, 5 blue flags and some black flags if Probability of selecting a red flag is 1/4. Then find the number of black flags.**

4

7

9

6

3

Solution:

Probability of selecting a Red flag is 1/4

Now, 1 → 4 flags

So, 4 → 16 flags

So, no. of black flags = 16 – (4 + 5)

= 7

**Q4. The average of present age of A and B is 26 years if present age of C is also included their average age increases by 2 years. Find the ratio of ages of A to C.**

4 : 5

6 : 7

7 : 5

3 : 4

Cannot be determined

Solution:

Present age of A and B = 26 × 2 = 52

A + B = 52 …(i)

Present age of A, B and C = 3 × (26 + 2) = 84

A + B + C = 84 …(ii)

Present age of C = 84 – 52 = 32

Ratio of A to C cannot be determined.

**Q5. Ratio of ages of Kamal and Narayan 4 year before was 4 : 5. If ratio of their ages 8 years hence will be 7 : 8. Then find the present age of Kamal.**

22 years

20 years

18 years

27 years

17 years

**Directions (6-10): What will come in place of question mark (?) in the following no. series?**

**Q6. 2, 11, 48, 243, ?**

1500

1460

1350

1480

1490

**Q7. 11, 23, 16, 18, 21, 13, 26, ?**

11

10

8

13

15

**Q8. 1, 0.5, 0.5, 0.75, 1.5, 3.75, ?**

11.25

10.25

9.75

12.25

14.25

**Q9. 1, 1, 3, 23, ?**

350

348

365

367

267

**Q10. 9, 43, 169, 503, ?**

1001

809

999

997

1006

Solution:

Series is ×5–2, ×4–3, ×3–4, ×2–5

⇒ 503 × 2 – 5 =1001

**Directions (11-15): What approximate value should come in the place of the question mark ? in the following questions ? (You are not expected to calculate the exact value.)**

3126

3016

2916

2751

2827

10

14

9

12

16

**Q13.**(20.99% of 5399.995) ÷ ? = (270% of 6.01)²

15

5

10

12

2

243

343

234

253

223

Solution:

? ≃ 175/0.72

≃ 243

78

81

62

80

70

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