Question : Directions: Which of the following numbers will replace the question mark (?) in the given series?
31, ?, 40, 49, 61, 76
Option 1: 36
Option 2: 34
Option 3: 35
Option 4: 37
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Correct Answer: 34
Solution :
Given:
31, ?, 40, 49, 61, 76
Add the consecutive multiples of 3 in the previous term to get the next term.
31 + 3 = 34; 34 + 6 = 40; 40 + 9 = 49; 49 + 12 = 61; 61 + 15 = 76
So, 34 is the missing term in the series. Hence, the second option is correct.
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