Find the next number: 6, 11, 21, 40, 76, ? MCQ with Answer and Explanation

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Find the next number: 6, 11, 21, 40, 76, ?

A. 152

B. 148

C. 150

D. 146

Answer: Option D

Solution (By JKSSB Mock Tests)

6×2−1=11, 11×2−1=21, 21×2−2=40, 40×2−4=76, 76×2−6=146.

This question belongs to: Reasoning Logical Reasoning

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Question #1

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A man starts from point P, goes 3 km south, turns right and goes 4 km, turns left and goes 2 km. How far and in which direction is he from P?

A. 3 km East

B. 5 km South

C. √17 km South-West

D. √17 km South-East

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Correct Answer: Option D

Explanation:
Net displacement is 4 km east and 1 km south. Distance = √(4²+1²)=√17 km, direction South-East.

This question belongs to: Reasoning Logical Reasoning

Question #2

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If 'FLOWER' is coded as 'GMPXFS', then 'BLOSSOM' is coded as ?

A. CNPTTPM

B. CNPTTQN

C. CMQTTPN

D. CNPTTPN

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Correct Answer: Option D

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

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Question #3

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If 'MILK' is coded as 'NJML', then 'CURD' is coded as ?

A. DVSE

B. DWSE

C. DVSD

D. DUSE

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Correct Answer: Option A

Explanation:
Each letter is shifted one place forward: C→D, U→V, R→S, D→E = DVSE.

This question belongs to: Reasoning Logical Reasoning

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