Aspire Faculty ID #16389 · Topic: NIMCET 2010 · Just now
NIMCET 2010

In each of the following three questions, four numbers are given. Out of these, three are alike in a certain way but the rest one is different. Choose the one which is different from the rest three.

Solution

Three numbers are not palindromic in any form, but one number is symmetrical pairwise:

5698 → no symmetry
4321 → strictly descending sequence
7963 → no symmetry
4232 → first and last digits match (2 = 2) → special property

So 4232 is the different one.

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