Find the odd one out: 5, 10, 15, 20, 26 MCQ with Answer and Explanation

Find the odd one out: 5, 10, 15, 20, 26
A. 15
B. 5
C. 26
D. 20
Answer: Option C
Solution (By JKSSB Mock Tests)
All others are multiples of 5; 26 is not divisible by 5.

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Practice More Mental Reasoning Questions

Question #1
If RAM is coded as IZN using reverse alphabet, how is SHYAM coded?
A. HSBAN
B. HSBZO
C. HSBZM
D. HSBZN

Correct Answer: Option D


Explanation:
Reverse alphabet: S opposite H, H opposite S, Y opposite B, A opposite Z, M opposite N.

This question belongs to: Reasoning Mental Reasoning
Question #2
If South-East becomes North and North-East becomes West, then what will South become?
A. North-East
B. North
C. East
D. South-West

Correct Answer: Option A


Explanation:
The directions are rotated 225° clockwise. South rotated 225° clockwise becomes North-East.

This question belongs to: Reasoning Mental Reasoning
Question #3
Statements: All students are ambitious. Some ambitious are hardworking. Conclusions: I. Some hardworking are students. II. All hardworking are ambitious.
A. Either I or II follows
B. Only II follows
C. Only I follows
D. Neither I nor II follows

Correct Answer: Option D


Explanation:
No definite relation between hardworking and students. All hardworking are ambitious does not follow. Neither follows.

This question belongs to: Reasoning Mental Reasoning