51.

Which one number, when placed at the sign of interrogation, shall complete the series

3, 6, 18, 72, ...?..., 2160

• 144

• 216

• 288

• 360

A series is given, with one term missing, Choose the correct alternative from the given ones that will complete the series.

463,452,439,424,?

• 407

• 413

• 419

• 411

In the following question, select the missing number from the given series.

28, 30, 36, 48 ? 98, 140

• 68

• 65

• 72

• 67

A series is given with one term missing. Select the correct alternative from the given ones that will complete the series.

72, 65.7, ?  53.1, 46.8

• 59.4

• 60.4

• 59.3

• 60.3

A series is given with one term missing. Select the correct alternative from the given ones that will complete the series.

6, 9, 15, 24, 39, 63, ?

• 97

• 115

• 102

• 124

In the following question, select the missing number from the given series.
19, 38, ? 228, 684, 1368

• 108

• 113

• 114

• 138

A series is given with one term missing. Select the correct alternative from the given ones that will complete the series.

2, 4, 13, 41, 106, ?

• 172

• 191

• 219

• 232

A series is given with one term missing. Select the correct alternative from the given ones that will complete the series.

13, 16, 11, 18, 9, 20,  ?

• 3

• 5

• 6

• 7

In the following question, select the missing number from the given series.

1357,  3085,  5282,  8026, ?

• 9961

• 10441

• 11321

• 11401

A series is given with one term missing. Select the correct alternative from the given ones that will complete the series.

7, 19, 42, 87, ?

• 136

• 176

• 172

• 216