Which of the following numbers will replace the question mark (?) in the given series?
357, 372, ?, 447, 507
Show answer & explanation
Correct answer: C
Explanation
The correct answer is Option 3 i.e. 402.
Given series: 357, 372, ?, 447, 507
The series follows this pattern:
357 + 15 = 372
372 + (15 + 15) = 372 + 30 = 402
402 + (30 + 15) = 402 + 45 = 447
447 + (45 + 15) = 447 + 60 = 507
So, the missing term in the series is 402.