other govt exam India Post Postman & Mail Guard Mock Test 2020 Logical Reasoning Classification Number Based
Four sets of numbers are given out of which three are alike in a certain way and one is different. Select the set of numbers that is different from the rest.
1
3 - 9 - 27
2
6 - 36 - 216
3
8 - 64 - 512
4
7 - 49 - 345