**Number Series Questions & Answers with Explanation – Test Paper 2**

1) Look at the series, 77, 70, 63, 56, 49, _, which number should come next?

- 42
- 46
- 44
- 48

**Answer:** 1

**Explanation:**

This is a simple subtraction series in which each number is 7 less than the previous number.

2) Look at the series; 41, 39, 35, 33, 29, _, which number should come next?

- 23
- 24
- 25
- 27

**Answer:** 4

**Explanation:**

This is a simple alternating subtraction series, which subtracts 2 then 4 and so on. Therefore, 27 (29 – 2) will come next.

3) Look at the series, 12, 24, 14, 28, 18, 36, __, which number should come next?

- 24
- 25
- 26
- 28

**Answer:** 3

**Explanation:**

This is an alternating multiplication and subtraction series; first multiply by 2 then subtract 10. Therefore, 26 (36 – 10) should come next.

4) Look at the series, 1536, 384, 96, _, which number should come next?

- 24
- 28
- 18
- 16

**Answer:** 1

**Explanation:**

This is a simple division series in which each number is divided by 4 to arrive at the next number. Therefore, 24 (96/4) would be the next number.

5) Find the missing number in the series; 1, 2, 3, 10 _.

- 89
- 99
- 79
- 69

**Answer:** 2

**Explanation:**

1^{1} + 1= 2

2^{2} – 1= 3

3^{2} + 1= 10

10^{2} – 1 = 99

Also see Number Series test paper 3

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