What should come in place of the question mark (?) in the given series?
620 621 624 629 636 ?
Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1 i.e. 645.
620 + 1 = 621, 621 + 3 = 624, 624 + 5 = 629, 629 + 7 = 636, 636 + 9 = 645