Missing Number (SSC MTS 2020 Tier -1)

Total Questions: 11

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

Correct Answer: (d) 53
Solution:The pattern followed here is:

In Column wise First term = a and Second term = b

(a : b) → a² + a + 1 ÷ 2 = b

(7 : ?) → 7² + 7 + 1 ÷ 2 ⇒ 49 + 4 = 53

Hence, "53" is the correct answer.