SSC CPO 2023 PYQ — Question 168

SSC CPO - 3 Oct 2023 - Shift 1 • Reasoning • Q168

Study the given pattern carefully and select the number that can replace the question mark (?) in it.

19 6 37
21 8 45
72 14 ?

(NOTE: Operations should be performed on the whole numbers, without breaking down the numbers into their constituent digits. E.g. 13 – Operations on 13 such as adding /subtracting /multiplying etc. to 13 can be performed. Breaking down 13 into 1 and 3 and then performing mathematical operations on 1 and 3 is not allowed)

Show answer & explanation

Correct answer: C

Explanation

The correct answer is Option 3 i.e. 114​​​​.

The logic used here is:

Row 1: 

37 - 19 = 18; 18 ÷ 3 = 6

Row 2: 

45 - 21 = 24; 24 ÷ 3 = 8

Row 3:

? - 72 = a ÷ 3 = 14

a ÷ 3 = 14; a = 42

? - 72 = 42

? = 114

Hence, 114 is the correct answer.