Question : Directions: 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 that group?
Option 1: 4 – 27
Option 2: 6 – 125
Option 3: 5 – 63
Option 4: 7 – 216
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Correct Answer: 5 – 63
Solution : Let's check the options –
First option:
4 – 27; 4 – 1 = 3 and 3
3
= 27
Second option:
6 – 125; 6 – 1 = 5 and 5
3
= 125
Third option:
5 – 63; 5 – 1 = 4 and 4
3
= 64 ≠ 63
Fourth option:
7 – 216; 7 – 1 = 6 and 6
3
= 216
So, the third option is different from the other three options as here 4 3 = 64 ≠ 63 . Hence, the third option is correct
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