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:
61 comments Page 5 of 7.
Vijayalakshmi said:
8 years ago
What is a prime no?
@Murali.
How did you wrote the series of prime no. Can you explain it?
@Murali.
How did you wrote the series of prime no. Can you explain it?
Karthika said:
8 years ago
I think the answer is 73.
Amandeep said:
8 years ago
81 is right because no any number in the series divide by any number.
only 81 divide with 3,
27.
only 81 divide with 3,
27.
Mukesh Yadav said:
8 years ago
Yes, I agree @Karthika.
SARUKH said:
8 years ago
They all are prime no except 81. So simply 81is the perfect solution.
Bunny said:
8 years ago
Yes, @Amit is right answer 73.
Abhay Raj said:
8 years ago
41+2 = 43.
43+4 = 47.
47+6 = 53.
53+8 = 61.
61+10 = 71.
So 81 is not correct.
43+4 = 47.
47+6 = 53.
53+8 = 61.
61+10 = 71.
So 81 is not correct.
Vimala said:
7 years ago
81 is the only number divisible by 3.
Raja Ram Choudhary said:
7 years ago
@Saurabh.
A number that is divisible only by itself and 1, then we are called prime number.
A number that is divisible only by itself and 1, then we are called prime number.
(2)
Kiran dudi said:
6 years ago
Why not 73?
(1)
Post your comments here:
Quick links
Quantitative Aptitude
Verbal (English)
Reasoning
Programming
Interview
Placement Papers