Find the missing term: 3, 6, 18, 72, ? MCQ with Answer and Explanation

Find the missing term: 3, 6, 18, 72, ?
A. 288
B. 360
C. 432
D. 324
Answer: Option B
Solution (By JKSSB Mock Tests)
Multipliers are 2, 3, 4, 5: 3×2=6, 6×3=18, 18×4=72, so 72×5=360.

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Practice More Mental Reasoning Questions

Question #1
Find the odd one out: 3, 5, 7, 9, 11
A. 3
B. 11
C. 9
D. 5

Correct Answer: Option C


Explanation:
All others are prime numbers; 9 is a composite number.

This question belongs to: Reasoning Mental Reasoning
Question #2
A, B, C, D, E, F, G and H are sitting around a circular table facing the centre. A is second to the right of E who is the neighbour of F and G. D is not neighbour of A. B is neighbour of H. What is the position of C?
A. Third to the right of F
B. Cannot be determined
C. Second to the left of B
D. Immediate left of D

Correct Answer: Option B


Explanation:
Multiple possible arrangements; position of C is not uniquely fixed.

This question belongs to: Reasoning Mental Reasoning
Question #3
Statements: All fruits are vegetables. All vegetables are plants. Conclusions: I. All fruits are plants. II. Some plants are vegetables.
A. Only II follows
B. Only I follows
C. Both follow
D. Neither follows

Correct Answer: Option C


Explanation:
All fruits are vegetables and all vegetables are plants ⇒ All fruits are plants. Also some plants are vegetables (conversion of all vegetables are plants). Both follow.

This question belongs to: Reasoning Mental Reasoning