Question : Directions: Select the number that will replace the question mark (?) in the following series.
25, ?, 43, 67, 115, 211
Option 1: 33
Option 2: 31
Option 3: 30
Option 4: 37
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Correct Answer: 31
Solution :
Given:
25, ?, 43, 67, 115, 211
Follow the pattern to obtain the next term –
So, 31 is the missing number in the given series. Hence, the second option is correct.