railway RRB NTPC Mock Test Series 2024-25 (CBT 1 + CBT 2) Logical Reasoning Classification Number Based
Four number-pairs have been given, out of which three are alike in some manner and one is different. Select the number-pair that is different.
1
19 ∶ 324
2
5 ∶ 35
3
7 ∶ 63
4
13 ∶ 195