In a survey, 50 people like tea, 40 like coffee, and 30 like both. How many like only tea? MCQ with Answer and Explanation

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In a survey, 50 people like tea, 40 like coffee, and 30 like both. How many like only tea?

A. 30

B. 40

C. 10

D. 20

Answer: Option D

Solution (By JKSSB Mock Tests)

Only tea = 50−30 = 20.

This question belongs to: Reasoning Logical Reasoning

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Question #1

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If 'CLOUD' is coded as 'DMPVE', then 'RAIN' is coded as ?

A. SBJO

B. SBJP

C. SCJO

D. SBIO

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Correct Answer: Option A

Explanation:
Each letter is shifted one place forward: R→S, A→B, I→J, N→O = SBJO.

This question belongs to: Reasoning Logical Reasoning

Question #2

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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. √17 km South-East

B. 3 km East

C. √17 km South-West

D. 5 km South

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Correct Answer: Option A

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 #3

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Find the next number in the series: 3, 9, 27, 81, ?

A. 162

B. 180

C. 243

D. 216

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Correct Answer: Option C

Explanation:
Each term is multiplied by 3. 81×3=243.

This question belongs to: Reasoning Logical Reasoning

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