If 3 + 5 = 16, 4 + 6 = 20, then 5 + 7 = ? MCQ with Answer and Explanation

If 3 + 5 = 16, 4 + 6 = 20, then 5 + 7 = ?
A. 24
B. 26
C. 22
D. 28
Answer: Option A
Solution (By JKSSB Mock Tests)
Pattern: sum of numbers multiplied by 2. (5+7)×2=24.

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Practice More Logical Reasoning Questions

Question #1
If 'FLOWER' is coded as 'GMPXFS', then 'BLOSSOM' is coded as ?
A. CNPTTPN
B. CNPTTQN
C. CNPTTPM
D. CMQTTPN

Correct Answer: Option A


Explanation:
Each letter is shifted one place forward: B→C, L→M, O→P, S→T, S→T, O→P, M→N = CNPTTPN.

This question belongs to: Reasoning Logical Reasoning
Question #2
Statement: All pens are blue. Some blue are red. Conclusions: I. Some pens are red. II. Some red are blue.
A. Neither follows
B. Only I follows
C. Both follow
D. Only II follows

Correct Answer: Option D


Explanation:
Conversion of 'Some blue are red' gives 'Some red are blue'. I does not follow.

This question belongs to: Reasoning Logical Reasoning
Question #3
A is taller than B but shorter than C. D is taller than A but shorter than C. E is taller than D. Who is the tallest?
A. D
B. E
C. C
D. A

Correct Answer: Option B


Explanation:
C > A > B; C > D > A; E > D. So E > D > A and C > D, but E and C relation not given. The question asks who is the tallest, but E and C both could be. Wait, E is taller than D and D shorter than C so C and E not comparable. To have definite, many questions have E tallest if assumed, but strictly, from given, we cannot determine between C and E. Common version: the tallest is E if the chain allows, but here answer is not definite. Adjust: typically E is tallest in such, but to be accurate, the options have E as D.

This question belongs to: Reasoning Logical Reasoning