Which of the following numbers will replace the question mark (?) in the given series?
56, ?, 38, 29, 20
Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1 i.e. 47.
Given series: 56, ?, 38, 29, 20
56 - 9 = 47; 47 - 9 = 38; 38 - 9 = 29; 29 - 9 = 20