SSC CHSL 2025 PYQ — Question 48

SSC CHSL - 29 Nov 2025 - Shift 3 • Reasoning • Q48

In the following question, in each alternative a group of numbers is given. The numbers of each group are related to the numbers of the same group by some Logic/Rule/Relation. Select that group of numbers in which numbers are not related by that same Logic/Rule/Relation.
(NOTE: Operations should be performed on the whole numbers, without breaking down the number into its 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: A

Explanation

2. (164, 420, 16)

420 − 164 = 256

256 ÷ 16 = 16

3. (126, 450, 18)

450 − 126 = 324

324 ÷ 18 = 18

4. (142, 542, 20)

542 − 142 = 400

400 ÷ 20 = 20

1. (188, 364, 14)

364 − 188 = 176

176 ÷ 14 ≈ 12.57 (not a clear rule)

Odd group: (188, 364, 14)