# Missing Numbers Quiz Set 011

### Question 1

Which set of numbers is like given set 256, 64, 16?

A

64, 32, 8.

B

80, 20, 5.

C

144, 36, 9.

D

160, 40, 10.

Soln.
Ans: c

Each term is a perfect square.

### Question 2

Directions : One number is wrong in the series. Find out the wrong number.

4, 12, 30, 68, 146, 302, 622

A

12

B

30

C

68

D

302

Soln.
Ans: d

The series is written using the pattern :

4 × 2 + 4 = 12, 12 × 2 + 6 = 30, 30 × 2 + 8 = 68, 68 × 2 + 10 = 146, 146 × 2 + 12 = 304, 304 × 2 + 14 = 622.

Therefore, number 302 should be replaced by 304.

### Question 3

5, 6, 10, 19, 35, 60, (?)

A

109.

B

96.

C

110.

D

90.

Soln.
Ans: b

5 + (1)2 gives 6, 6 + (2)2 gives 10, 10 + (3)2 gives 19, 19 + (4)2 gives 35, 35 + (5)2 gives 60, 60 + (6)2 gives 96, 96

### Question 4

Examine this series: 4, 14, 42, 147, 588, 2058, 10290. If another series is written with the same rule, what number would come in the place C: 8, A, B, C, D, E ?

A

28

B

1176

C

294

D

216

Soln.
Ans: c

The number 294 will come in place of (C). 4 X 3.5 = 14, 14 X 3 = 42, 42 X 3.5 = 147, 147 X 4 = 588, 588 X 3.5 = 2058 and so on. On the same pattern, A = 8 X 3.5 = 28, B = 28 X 3 = 84, C = 84 X 3.5 = 294.

### Question 5

Examine this series: 200, 184, 193, 157, 182, 118, 167. If another series is written with the same rule, what number would come in the place C: 150, A, B, C, D, E ?

A

132

B

115

C

68

D

107

Soln.
Ans: d

200 - 4² = 184, then 184 + 3² = 193, then 193 - 6² = 157, then 157 + 5² = 182, ...On the same pattern, A = 150 - 4² = 134, B = 134 + 3² = 143, C = 143 - 6² = 107. 