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Solved Examples(Set 3) - Series - Odd Man Out

11. Find the odd man out. $1,9,16,51,121,169,225$
A. $51$B. $1$
C. $169$D. $16$
Discuss
answer with explanation

Answer: Option A

Explanation:

All the given numbers except $51$ are perfect squares.
12. Find the odd man out. $1,4,9,17,25,36,49$
A. $49$B. $9$
C. $1$D. $17$
Discuss
answer with explanation

Answer: Option D

Explanation:

The pattern is $1^2,2^2,3^2,4^2,5^2,6^2,7^2$

But, instead of $4^2,$ $17$ is given.

13. Find the odd man out. $2,5,10,17,26,38,50,65$
A. $38$B. $26$
C. $65$D. $50$
Discuss
answer with explanation

Answer: Option A

Explanation:

The pattern is
$1^2+1\\2^2+1\\3^2+1\\4^2+1\\5^2+1\\6^2+1\\7^2+1\\8^2+1$

But $38$ is given in place of $6^2+1$

14. Find the odd man out. $18,16,12,24,11,34,46$
A. $16$B. $34$
C. $11$D. $46$
Discuss
answer with explanation

Answer: Option C

Explanation:

All the given numbers except $11$ are even numbers.
15. Find the odd man out. $1,27,216,512,1024,1331$
A. $1024$B. $1$
C. $27$D. $512$
Discuss
answer with explanation

Answer: Option A

Explanation:

All the given numbers except $1024$ are perfect cubes.

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