What should come in place of the question mark (?) in the given series?
13, 17, 26, ?, 67, 103, 152
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. 42.
Given series: 13, 17, 26, ?, 67, 103, 152
13 + 4 = 17; 17 + 9 = 26; 26 + 16 = 42; 42 + 25 = 67; 67 + 36 = 103; 103 + 49 = 152