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 2 of 7.
Sunil said:
9 years ago
If we solve like that:
43 - 41 = 2,
47 - 43 = 4,
53 - 47 = 6,
61 - 53 = 8,
71 - 61 = 10,
73 - 71 = 2.
So, that 73 makes an error for the exact difference between the given numbers so according to me, 73 is an answer .
43 - 41 = 2,
47 - 43 = 4,
53 - 47 = 6,
61 - 53 = 8,
71 - 61 = 10,
73 - 71 = 2.
So, that 73 makes an error for the exact difference between the given numbers so according to me, 73 is an answer .
(1)
Kiran dudi said:
6 years ago
Why not 73?
(1)
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?
Vimala said:
7 years ago
81 is the only number divisible by 3.
Neha Sultan said:
9 years ago
It's 81.
That's because NO OTHER NUMBER IS PERFECTLY DIVISIBLE BY 3, EXCEPT 81.
That's because NO OTHER NUMBER IS PERFECTLY DIVISIBLE BY 3, EXCEPT 81.
TANMOY said:
9 years ago
BUT why not 73 because its also not fit in series with 81? both are not fit isn't it?
Manav said:
9 years ago
Why its ans can't be 47?
41 4>1
43 4>3
47 4<7
53 5>3
61 6>1
71 7>1
73 7>3
81 8>1
Every 10th digit no is more than except 47, so the answer is 47. Why this answer is wrong?
41 4>1
43 4>3
47 4<7
53 5>3
61 6>1
71 7>1
73 7>3
81 8>1
Every 10th digit no is more than except 47, so the answer is 47. Why this answer is wrong?
Lakshman said:
9 years ago
Yes, I agree with Sandeep Shenoy.
Sandeep Shenoy said:
9 years ago
Answer 81 is correct. Because except 81, all other numbers are a prime number.
Amit said:
9 years ago
t = 41 + 2 * 1 = 43
t = 43 + 2 * 2 = 47
t = 47 + 2 * 3 = 53
t = 53 + 2 * 4 = 61
t = 61 + 2 * 5 = 71
t = 71 + 2 * 6 = 83.
In the given Series there 73 followed by 71, so the answer must be 73.
t = 43 + 2 * 2 = 47
t = 47 + 2 * 3 = 53
t = 53 + 2 * 4 = 61
t = 61 + 2 * 5 = 71
t = 71 + 2 * 6 = 83.
In the given Series there 73 followed by 71, so the answer must be 73.
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