In a row of 50 students, A is 15th from the left end and B is 20th from the right end. How many students are there between A and B? MCQ with Answer and Explanation

Question

In a row of 50 students, A is 15th from the left end and B is 20th from the right end. How many students are there between A and B?

A. 13

B. 15

C. 16

D. 14

Answer: Option B

Solution (By JKSSB Mock Tests)

A's position from right = 50−15+1 = 36. Number between = 36−20−1 = 15.

This question belongs to: Reasoning Logical Reasoning

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Question #1

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Statement: All men are mortal. Socrates is a man. Conclusion: Socrates is mortal.

A. Conclusion follows

B. Cannot be determined

C. Conclusion is false

D. Conclusion does not follow

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Correct Answer: Option A

Explanation:
This is a valid syllogism: All M are P; S is M; therefore S is P.

This question belongs to: Reasoning Logical Reasoning

Question #2

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If 9th of the month falls on the day preceding Sunday, on what day will the 1st of the month fall?

A. Monday

B. Sunday

C. Friday

D. Saturday

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Correct Answer: Option C

Explanation:
9th is Saturday (preceding Sunday). 1st is 8 days before 9th = Saturday −8 = Friday.

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Question #3

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A person starts walking towards North. After walking 5 km he turns left and walks 3 km. Then he turns left and walks 5 km. In which direction is he from the starting point?

A. West

B. South

C. North

D. East

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Correct Answer: Option A

Explanation:
North 5, left West 3, left South 5. Net West 3 km.

This question belongs to: Reasoning Logical Reasoning

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