Which of the following numbers will replace the question marks (?) in the given series?
61, ?, ?, 73, 79, 83, 89
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. 67, 71.
Given series: 61, ?, ?, 73, 79, 83, 89
The series consists of consecutive prime numbers starting from 61.
61, 67, 71, 73, 79, 83, 89