Find the number that can replace question mark (?) in the series given below:…

2025

Find the number that can replace question mark (?) in the series given below:

3, 8, 15, 24, 35, 48, ?

  1. A.

    62

  2. B.

    65

  3. C.

    63

  4. D.

    73

Attempted by 59 students.

Show answer & explanation

Correct answer: C

Observe the differences between consecutive terms: 8-3=5, 15-8=7, 24-15=9, 35-24=11, 48-35=13. The differences increase by 2 each time (5, 7, 9, 11, 13). The next difference is 15. Adding 15 to the last term (48) gives 63.

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