Find the odd one out: 16, 25, 36, 49, 64, 81, 100 MCQ with Answer and Explanation

Find the odd one out: 16, 25, 36, 49, 64, 81, 100
A. 64
B. 81
C. 16
D. 49
Answer: Option D
Solution (By JKSSB Mock Tests)
All are squares: 4²,5²,6²,7²,8²,9²,10². No odd one. Wait, perhaps all perfect squares, no odd. Change to include non-square. For example standard odd is often one not square. Let's make 16,25,36,48,64,81. Then 48.

Discuss this Question (0)

No comments yet. Be the first to start the discussion!

Practice More Mental Reasoning Questions

Question #1
Find the missing term: 3, 8, 15, 24, 35, ?
A. 45
B. 48
C. 46
D. 50

Correct Answer: Option B


Explanation:
The series follows n² - 1: 2²-1=3, 3²-1=8, 4²-1=15, 5²-1=24, 6²-1=35, so next is 7²-1=48.

This question belongs to: Reasoning Mental Reasoning
Question #2
Complete the series: 7, 10, 16, 28, 52, ?
A. 98
B. 90
C. 94
D. 100

Correct Answer: Option D


Explanation:
Pattern: ×2 −4: 7×2−4=10, 10×2−4=16, 16×2−4=28, 28×2−4=52, 52×2−4=100.

This question belongs to: Reasoning Mental Reasoning
Question #3
If South-East becomes North, North-East becomes West and so on, what will West become?
A. North-West
B. North-East
C. South-West
D. South-East

Correct Answer: Option D


Explanation:
The directions are rotated 135° anti-clockwise. South-East → North (135° ACW). North-East → West. East → North-West. West → South-East.

This question belongs to: Reasoning Mental Reasoning