Question : Directions: Which number will replace the question mark (?) in the following series?
6, 20, 42, ?, 110, 156
Option 1: 80
Option 2: 72
Option 3: 50
Option 4: 64
Correct Answer: 72
Solution :
Given:
6, 20, 42, ?, 110, 156
The pattern is as follows –
Therefore, 72 is the required missing number in the series. Hence, the second option is correct.
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