Question : Direction: In the following question, select the one which is different from the other three alternatives.
32, 13, 51, 24, 46, 20, 72, 45
Option 1: 13
Option 2: 46
Option 3: 20
Option 4: 72
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Correct Answer: 13
Solution : Given:
32, 13, 51, 24, 46, 20, 72, 45
In the above series, all the numbers are composite numbers except 13 which is a prime number. So, 13 is the odd one out.
Hence, first option is correct.
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