Which of the following numbers will replace the question mark (?) in the given series?
67, 79, 64, ?, 61, 85
Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1 i.e. 82.
Given series: 67, 79, 64, ?, 61, 85
1. 67, 64, 61
67 - 3 = 64; 64 - 3 = 61
2. 79, ?, 85
79 + 3 = 82; 82 + 3 = 85