What should come in place of the question mark (?) in the given series? 620 621 624 629 636 ?A643B645C646D644Answer: B. 645 Read Explanation: Series:620, 621, 624, 629, 636, ? Find the differences621 − 620 = 1624 − 621 = 3629 − 624 = 5636 − 629 = 7The pattern is consecutive odd numbers:1, 3, 5, 7Next odd number = 9Add 9636 + 9 = 645Final Answer: 645 Read more in App