Missing Number (SSC MTS 2020 Tier -1)

Total Questions: 11

11. Find the missing number? [SSC MTS 27/10/2021 (Evening)]

Correct Answer: (d) 53
Solution:The pattern followed here is:
n: n² + n + 1 ÷ 2
So, 7 becomes 7² + 7 + 1 ÷ 2 → 49 + 4 = 53