Which number will replace the question mark (?) in the following series?
724, 735, 748, 765, 784, ?
Show answer & explanation
Correct answer: C
Explanation
The correct answer is option 3 i.e. 807.
Given series: 724, 735, 748, 765, 784, ?
724 + 11 = 735, 735 + 13 = 748, 748 + 17 = 765, 765 + 19 = 784, 784 + 23 = 807