# Aptitude - Odd Man Out and Series - Discussion

Discussion Forum : Odd Man Out and Series - Odd Man Out (Q.No. 1)

*Directions to Solve*

Find the odd man out.

1.

3, 5, 11, 14, 17, 21

Answer: Option

Explanation:

Each of the numbers except 14 is an odd number.

The number '14' is the only EVEN number.

Discussion:

36 comments Page 1 of 4.
Sneha gupta said:
4 months ago

(1)^2 = 1 + 2 = 3.

(2)^2 = 4 + 1 = 5.

(3)^2 = 9 + 2 = 11.

(4)^2 = 16 + 1 = 17.

(5)^2 = 25 + 2 = 27.

So, 21 will be the correct answer.

(2)^2 = 4 + 1 = 5.

(3)^2 = 9 + 2 = 11.

(4)^2 = 16 + 1 = 17.

(5)^2 = 25 + 2 = 27.

So, 21 will be the correct answer.

(5)

Vijaya said:
7 months ago

Anyone, please explain the correct answer.

(2)

Vaneet said:
2 years ago

14 is the correct.

(6)

Dayal.K said:
4 years ago

Option: C.

Because all the numbers are an odd number, But 14 is an even number.

Because all the numbers are an odd number, But 14 is an even number.

(5)

Vasudha said:
4 years ago

14 is the answer because it is not an prime number.

(4)

Sejal said:
4 years ago

0 + 3 = 3

0 + 5 = 5

1 + 4 = 5

1 + 2 = 3

1 + 1 = 2

1 + 7 = 8

Except 17 all have sum prime no. So 17 should be the answer.

0 + 5 = 5

1 + 4 = 5

1 + 2 = 3

1 + 1 = 2

1 + 7 = 8

Except 17 all have sum prime no. So 17 should be the answer.

(5)

Deepthi said:
4 years ago

14 is the answer because it is an even number.

(1)

Princess said:
5 years ago

Why is co-prime no H.C.F is always 1?

(2)

Mallikharjunudu said:
6 years ago

Why not 21?

(1)

Akshada said:
7 years ago

21 is also even no ?

(1)

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