Which of the following numbers will replace the question mark (?) in the given series?
43, 52, 47, ?, 51, 60, 55
Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1 i.e. 56.
1. 43, 47, 51, 55
43 + 4 = 47; 47 + 4 = 51; 51 + 4 = 55
2. 52, ?, 60
52 + 4 = 56; 56 + 4 = 60