# Missing Numbers Quiz Set 017

### Question 1 A

11.

B

19.

C

15.

D

22.

Soln.
Ans: d

2 x 2 - 1 = 3, 5 x 4 - 4 = 15 ∴ 5 x 5 - 3 = 22.

### Question 2

Three triplets are shown. Find the missing number in the third triplet.

13 (168) 13, 14 (181) 13, 15 (?) 13, . . .

A

190

B

194

C

195

D

196

Soln.
Ans: d

As, 13 × 13 = 169 ⇒ 169 − 1 = 168.

14 × 13 = 182 ⇒ 182 − 1 = 181

Similarly, 15 × 13 = 195

195 − 1 = 194

### Question 3

Directions: One number is missing in the series. You have to understand the pattern of the series and then insert the missing number.

2, 6, 12, 20, ?, 42, 56, 72, 90

A

20

B

21

C

30

D

12

Soln.
Ans: c

series moves with the increasing difference by 2 i.e., 4, 6, 8, 10, 12 . . . . . . Therefore, the missing number will be 30 .

### Question 4

9, 11, 20, 31, (?), 82.

A

41.

B

51.

C

71.

D

60.

Soln.
Ans: b

Every number is equal to sum of the previous two numbers.

9, 11, 20, 31, 51, 82.

9 + 11 = 20.

20 + 11 = 31.

31 + 20 = 51.

51 + 31 = 82.

### Question 5

What is missing? A

52.

B

56.

C

58.

D

78.

Soln.
Ans: c

The pattern is: 1, [(1 x 2) + 0] 2, [2 x 2) + 1] 5, [5 x 2) + 2] 12, [12 x 2 ) + 3] 27, [27 x 2) + 4] 58, [58 x 2) + 5] 121, [121 x 2) + 6] 248. This Blog Post/Article "Missing Numbers Quiz Set 017" by Parveen (Hoven) is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.
Updated on 2020-02-07. Published on: 2016-03-16