Question : Directions: In the following question, select the one different from the other three alternatives.
Option 1: 8 : 64
Option 2: 7 : 49
Option 3: 6 : 30
Option 4: 5 : 25
Correct Answer: 6 : 30
Solution :
Let's check the options –
First option:
8 : 64; (8)
2
= 64
Second option:
7 : 49; (7)
2
= 49
Third option:
6 : 30; (6)
2
= 36 ≠ 30
Fourth option:
5 : 25; (5)
2
= 25
So, only the third option differs from the other three options as 30 is not the square of 6. Hence, the third option is correct.
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