Question : Direction: In the following question, find the odd number from the given alternatives.
Option 1: 37
Option 2: 120
Option 3: 145
Option 4: 50
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Correct Answer: 120
Solution : Let's check the options —
First option: 37; 37 – 1 = 36. 36 = 6 2 . 36 is a perfect square.
Second option: 120; 120 – 1 = 119. 119 is not a perfect square. This option is different from the other options.
Third option: 145; 145 – 1 = 144. 144 = 12 2 . 144 is a perfect square.
Fourth option: 50; 50 – 1 = 49. 49 = 7 2 . 49 is a perfect square.
Hence, second option is correct.
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