Question : Directions: In the following question, find the odd number from the given alternatives.
Option 1: 31
Option 2: 37
Option 3: 43
Option 4: 49
Correct Answer: 49
Solution :
Let's check each option –
First option:
31 is divisible only by 1 and 31. So, it is a prime number.
Second option:
37 is divisible only by 1 and 37. So, it is a prime number.
Third option:
43 is divisible only by 1 and 43. So, it is a prime number.
Fourth option:
49 is divisible by 1, 7, 49. The number of factors of 49 is more than two. It is not a prime number.
Hence, the fourth option is correct.
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