Question : Directions: Four number pairs are given out of which three are alike in a certain way and one is different. Select the number-pair that is different from the rest.
Option 1: 16 : 64
Option 2: 34 : 289
Option 3: 24 : 142
Option 4: 14 : 49
Correct Answer: 24 : 142
Solution :
Let's check each option –
First Option:
16 : 64; 8 × 2 : (8)
2
= 16 : 64
Second Option:
34 : 289; 17 × 2 : (17)
2
= 34 : 289
Third Option:
24 : 142; 12 × 2 : (12)
2
= 24 : 144 ≠ 142
Fourth Option:
14 : 49; 7 × 2 : (7)
2
= 14 : 49
So, the third option is different from the other three options as here the square is 144 instead of 142. Hence, the third option is correct.
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