8.
Three of the following four are alike in a certain way and thus form a group. Which is the one that does NOT belong to this group?
(NOTE: Operations should be performed on the whole numbers, without breaking down the numbers 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)
SSC CHSL 2023-10.08.2023-3