Select the number that can replace the question mark (?) in the following series.
62, 66, 74, 90, ?
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e 122
Explanation:
62 + 4 × 1 = 62 + 4 = 66
66 + 4 × 2 = 66 + 8 = 74
74 + 8 × 2 = 74 + 16 = 90
90 + 16 × 2 = 90 + 32 = 122