Aptitude - Numbers - Discussion

Discussion Forum : Numbers - General Questions (Q.No. 1)
1.
Which one of the following is not a prime number?
31
61
71
91
Answer: Option
Explanation:
91 is divisible by 7. So, it is not a prime number.
Discussion:
112 comments Page 12 of 12.

TEJASWINI KUDAPU said:   2 months ago
Yes, I agree D is the correct answer.

Vishal VR said:   7 days ago
91 is the correct answer because they divided by 7 and 13.


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