Ravi's rank from the top is 15 and from the bottom is 15. How many students are there? MCQ with Answer and Explanation

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Ravi's rank from the top is 15 and from the bottom is 15. How many students are there?

A. 31

B. 28

C. 29

D. 30

Answer: Option C

Solution (By JKSSB Mock Tests)

Total students = 15 + 15 - 1 = 29.

This question belongs to: Reasoning Mental Reasoning

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Question #1

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A man walks 4 km towards north, then turns right and walks 3 km. What is the shortest distance from the starting point?

A. 7 km

B. 6 km

C. 8 km

D. 5 km

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Correct Answer: Option D

Explanation:
The path forms a right-angled triangle with sides 4 km and 3 km. Shortest distance = √(4² + 3²) = √25 = 5 km.

This question belongs to: Reasoning Mental Reasoning

Question #2

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A is B's brother. C is A's mother. D is C's father. E is B's son. How is D related to E?

A. Great grandfather

B. Great grandson

C. Grandson

D. Grandfather

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Correct Answer: Option A

Explanation:
D is father of C, C is mother of A and B, E is son of B. So D is great grandfather of E.

This question belongs to: Reasoning Mental Reasoning

Question #3

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If P is the brother of Q, R is the sister of Q and S is the father of P, then how is R related to S?

A. Daughter

B. Son

C. Mother

D. Sister

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Correct Answer: Option A

Explanation:
S is father of P and Q (siblings), R is sister of Q so R is also child of S, hence daughter of S.

This question belongs to: Reasoning Mental Reasoning

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