Which of the following numbers will replace the question mark (?) in the given series?
86, 129, 105, 118, 124, 107, 143, 96, ?
Show answer & explanation
Correct answer: C
Explanation
The correct answer is option 3 i.e. 162.
Given series: 86, 129, 105, 118, 124, 107, 143, 96, ?
86 + 19 = 105; 105 + 19 = 124; 124 + 19 = 143; 143 + 19 = 162;
129 - 11 = 118; 118 - 11 = 107; 107 - 11 = 96