Aptitude - Odd Man Out and Series - Discussion
Discussion Forum : Odd Man Out and Series - Odd Man Out (Q.No. 13)
Directions to Solve
Find the odd man out.
13.
41, 43, 47, 53, 61, 71, 73, 81
Answer: Option
Explanation:
Each of the numbers except 81 is a prime number.
Discussion:
62 comments Page 7 of 7.
Jinendra said:
1 decade ago
81 is not a prime number.
A prime number is which is divisible by 2 or itself & in this case 81 (9x9 = 81) and the answer is 73 okay.
A prime number is which is divisible by 2 or itself & in this case 81 (9x9 = 81) and the answer is 73 okay.
Kishore said:
1 decade ago
Except 81 is multiplied wit 9 & other numbers can be multiplied by itself.
Post your comments here:
Quick links
Quantitative Aptitude
Verbal (English)
Reasoning
Programming
Interview
Placement Papers