Which of the following numbers will replace the question mark (?) in the given series?
55, 42, 31, 22, 15, 10, ?
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. 7.
The pattern followed in the series is shown below:
Thus, 7 will replace the question mark (?) in the given series.
Hence, the correct answer is 7.