which number can replace the question mark (?) in the following series.
1, 10, 28, 55, 91, 136, ?
Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1 i.e. 190.
Given Series: 1, 10, 28, 55, 91, 136, ?
Logic: Adding multiples of 9
1 + 9 = 10; 10 + 18 = 28; 28 + 27 = 55; 55 + 36 = 91; 91 + 45 = 136; 136 + 54 = 190