# Missing Numbers Quiz Set 029

### Question 1

Directions: Find the missing number in the following series.

5, 7, ?, 9, 7, 11, 8, 13

A

8

B

6

C

19

D

7

Soln.
Ans: b

There are two alternate series 5, 6, 7, 8 and 7, 9, 11, 13. Hence, the missing number will be 6.

### Question 2

One number is wrong in the series. Find the wrong number.

701, 348, 173, 85, 41, 19, 8

A

173

B

41

C

19

D

348

Soln.
Ans: d

Series follows the pattern from the right end 8 × 2 + 3 = 19, 19 × 2 + 3 = 41, 41 × 2 + 3 = 85, 85 × 2 + 3 = 173, 173 × 2 + 3 = 349, 349 × 2 + 3 = 701. Hence, the number 348 should be replaced by 349. So 348 is wrong.

### Question 3

A

8.

B

9.

C

10.

D

11.

Soln.
Ans: d

3 x 4 - 8 = 4, 2 x 5 - 4 = 6 ∴ 4 x 5 - 9 = 11.

### Question 4

In the following number series, one of the numbers does not fit into the series. Find the wrong number.

4, 5, 14, 39, 103, 169, 290

A

5

B

14

C

39

D

103

Soln.
Ans: d

Number 103 is wrong and should be replaced by 88. The series is: 5 = 4 + 1², then 5 + 3² = 14, then 14 + 5² = 39, then 39 + 7² should give 88, not 103.

### Question 5

What is missing?

A

25.

B

625.

C

125.

D

50.

Soln.
Ans: c

Moving clockwise we can see that all numbers are cubed, 53 = 125