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. 7, 12, 32, 122, ?, 3602, 25202
Answer: A. 602 — The series follows a pattern where each term is multiplied by an incrementing integer and then reduced by an increasing even number. 7 × 2 - 2 = 12 12 × 3 - 4…
- A.
602
- B.
610
- C.
702
- D.
622
Attempted by 24 students.
Show answer & explanation
Correct answer: A
The series follows a pattern where each term is multiplied by an incrementing integer and then reduced by an increasing even number.
7 × 2 - 2 = 12
12 × 3 - 4 = 32
32 × 4 - 6 = 122
122 × 5 - 8 = 602
Verification: 602 × 6 - 10 = 3602
Thus, the missing number is 602.
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