Find the next number in the series: 5, 11, 23, 47, ? MCQ with Answer and Explanation

Find the next number in the series: 5, 11, 23, 47, ?
A. 99
B. 95
C. 97
D. 93
Answer: Option B
Solution (By JKSSB Mock Tests)
Pattern: double and add 1. 47×2+1=95.

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Practice More Logical Reasoning Questions

Question #1
If 'CAMEL' is coded as 'DBNFM', then 'HORSE' is coded as ?
A. IPSTF
B. IPSTG
C. IQSTF
D. IPSTE

Correct Answer: Option A


Explanation:
Each letter is shifted one place forward: H→I, O→P, R→S, S→T, E→F = IPSTF.

This question belongs to: Reasoning Logical Reasoning
Question #2
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. C
C. A
D. E

Correct Answer: Option D


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
Question #3
Complete the series: 3, 10, 101, ?
A. 11011
B. 10202
C. 10101
D. 10201

Correct Answer: Option B


Explanation:
3² + 1 = 10, 10² + 1 = 101, 101² + 1 = 10202.

This question belongs to: Reasoning Logical Reasoning