Question : Direction: In the following question, find the odd number pair from the given alternatives.
Option 1: 8 – 36
Option 2: 16 – 64
Option 3: 36 – 216
Option 4: 25 – 125
Correct Answer: 8 – 36
Solution : On determining the square and cube, we will get:
First option:
8 – 36
'8' is not the square of any number. '36' is also not the cube of any number. Hence '8 – 36' is the odd one out.
Second option:
16 – 64
Square of 4 = 16 ; Cube of 4 = 64
Third option:
36 – 216
Square of 6 = 36 ; Cube of 6 = 216
Fourth option:
25 – 125
Square of 5 = 25 ; Cube of 5 = 125
Hence, first option is correct.
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