Which of the following numbers will replace the question mark (?) in the given series?
25, 26, 28, 32, 40,?
Show answer & explanation
Correct answer: B
Explanation
The correct answer is option 2 i.e. 56.
25 + 1 = 26; 26 + 2 = 28; 28 + 4 = 32; 32 + 8 = 40; 40 + 16 = 56