A train running at the speed of 72 kmph crosses a pole in 12 seconds. Find the length of the train. MCQ with Answer and Explanation

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A train running at the speed of 72 kmph crosses a pole in 12 seconds. Find the length of the train.

A. 260 m

B. 220 m

C. 240 m

D. 200 m

Answer: Option C

Solution (By JKSSB Mock Tests)

Speed = 72 × 5/18 = 20 m/s. Length = 20×12 = 240 m.

This question belongs to: Maths Percentage

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45% read newspaper A, 55% read B, 15% both. % read neither:

A. 30%

B. 20%

C. 25%

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Correct Answer: Option D

Explanation:
At least one = 45+55-15=85%, neither = 15%.

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Question #2

What is 20% more than 350?

A. 430

B. 420

C. 400

D. 410

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Correct Answer: Option B

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350 × 1.2 = 420.

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Question #3

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Correct Answer: Option C

Explanation:
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