Question : Directions: In the following question, select the one which is different from the other three alternatives.
Option 1: 14 – 49
Option 2: 16 – 64
Option 3: 20 – 100
Option 4: 24 – 121
Correct Answer: 24 – 121
Solution :
Let's check the options –
First option:
14 – 49; (14 ÷ 2)
2
= (7)
2
= 49
Second option:
16 – 64; (16 ÷ 2)
2
= (8)
2
= 64
Third option:
20 – 100; (20 ÷ 2)
2
= (10)
2
= 100
Fourth option:
24 – 121; (24 ÷ 2)
2
= (12)
2
= 144 ≠ 121
Hence, the fourth option is correct.
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