Question : Directions: What should come in place of the question mark (?) in the given series? 71, 73, 79, ?, 89, 97
Option 1: 81
Option 2: 83
Option 3: 90
Option 4: 84
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Correct Answer: 83
Solution : Given: 71, 73, 79, ?, 89, 97
The numbers given in the series are the consecutive prime numbers (starting from 71). So, the next prime number after 79 is 83.
So, 83 is the missing number of the series. Hence, the second option is correct.
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Question : Directions: What should come in place of the question mark (?) in the given series? 36, 108, 54, ?, 81, 243
Option 1: 82
Option 2: 88
Option 3: 162
Option 4: 170
Question : Directions: What should come in place of the question mark (?) in the given series? 11, 12, 26, 81, 328, 1645, ?
Option 1: 5320
Option 2: 9876
Option 3: 2243
Option 4: 1824
Question : Directions: Which number from among the given options can replace the question mark (?) in the following series? 83, ?, 92, 107, 101, 116
Option 2: 89
Option 3: 91
Option 4: 98
Question : Directions: What should come in place of the question mark (?) in the given series? 5, 11, 17, ?, 29, 35
Option 1: 23
Option 2: 22
Option 3: 24
Option 4: 25
Question : Directions: What should come in place of the question mark (?) in the given series? 123, 194, 267, ?, 429
Option 1: 400
Option 2: 346
Option 3: 362
Option 4: 333
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