Find the odd one out: 64, 81, 100, 125, 144 MCQ with Answer and Explanation

Find the odd one out: 64, 81, 100, 125, 144
A. 125
B. 144
C. 64
D. 100
Answer: Option A
Solution (By JKSSB Mock Tests)
125 is a perfect cube, while all other options are perfect squares.

Discuss this Question (0)

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

Practice More Mental Reasoning Questions

Question #1
If in the word 'DISTURBANCE', the first letter is interchanged with the last letter, the second letter is interchanged with the tenth letter and so on, which letter would come after the letter 'T' in the newly formed word?
A. N
B. I
C. S
D. U

Correct Answer: Option A


Explanation:
Word: D I S T U R B A N C E (11 letters). Interchange 1-11, 2-10, 3-9, 4-8, 5-7, middle 6 remains. New: E C N A B R U T S I D. After T is S. Options have S. So C.

This question belongs to: Reasoning Mental Reasoning
Question #2
Find the missing term: 100, 95, 85, 70, 50, ?
A. 20
B. 30
C. 35
D. 25

Correct Answer: Option D


Explanation:
The differences are -5, -10, -15, -20, so the next difference is -25: 50-25=25.

This question belongs to: Reasoning Mental Reasoning
Question #3
If 1 is coded as S, 2 as R, 3 as P, 4 as N, 5 as M, 6 as L, 7 as K, 8 as H and 9 as T, then how is 398745 coded?
A. PTHKNM
B. PTHKMN
C. PTHNKM
D. PTKHMN

Correct Answer: Option A


Explanation:
3=P, 9=T, 8=H, 7=K, 4=N, 5=M. Thus PTHKNM.

This question belongs to: Reasoning Mental Reasoning