Which of the following numbers will replace the question mark (?) in the given series?
91, 111, 133, ?, 183, 211
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. 157.
91 + 20 = 111; 111 + 22 = 133; 133 + 24 = 157; 157 + 26 = 183; 183 + 28 = 211