Which of the following numbers will replace the question mark (?) in the given series?
41 49 65 89 121 161 ?
Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1 i.e. 209.
Given series: 41 49 65 89 121 161 ?
41 + 8 = 49; 49 + 16 = 65; 65 + 24 = 89; 89 + 32 = 121; 121 + 40 = 161; 161 + 48 = 209