A container ship routes a distance of 120 nautical miles at a speed of 15 knots (nautical miles per hour). Find the total time of the passage. MCQ with Answer and Explanation

Question

A container ship routes a distance of 120 nautical miles at a speed of 15 knots (nautical miles per hour). Find the total time of the passage.

A. 10 hours

B. 8 hours

C. 6 hours

D. 12 hours

Answer: Option B

Solution (By JKSSB Mock Tests)

Time = Distance / Speed = 120 / 15 = 8 hours.

This question belongs to: Maths Time Speed and Distance

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Question #1

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The speed of a train is 90 km/h. How many meters does it cross in exactly 12 seconds?

A. 280 meters

B. 320 meters

C. 300 meters

D. 350 meters

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Correct Answer: Option C

Explanation:
Speed = 90 * (5/18) = 25 m/s. Distance in 12 seconds = Speed * Time = 25 * 12 = 300 meters.

This question belongs to: Maths Time Speed and Distance

Question #2

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A car covers a certain distance at an average speed of 48 km/h in 5 hours. At what speed must it travel to cover the same distance in 4 hours?

A. 70 km/h

B. 65 km/h

C. 60 km/h

D. 55 km/h

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Correct Answer: Option C

Explanation:
Distance = 48 * 5 = 240 km. New required speed = 240 / 4 = 60 km/h.

This question belongs to: Maths Time Speed and Distance

Question #3

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A standard boat can row 12 km/h in still water. If the speed of the current is 2 km/h, find the time required to log 30 km upstream.

A. 3.5 hours

B. 4.0 hours

C. 3.0 hours

D. 2.5 hours

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Correct Answer: Option C

Explanation:
Upstream speed = 12 - 2 = 10 km/h. Time required = Distance / Upstream speed = 30 / 10 = 3 hours.

This question belongs to: Maths Time Speed and Distance

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