What should come in place of the question mark (?) in the given series?
13, 22, 33, 46, ?, 78, 97
Show answer & explanation
Correct answer: C
Explanation
The correct answer is option 3 i.e. 61.
Given series: 13, 22, 33, 46, ?, 78, 97
13 + 9 = 22; 22 + 11 = 33; 33 + 13 = 46; 46 + 15 = 61; 61 + 17 = 78; 78 + 19 = 97