A cyclist covers 1200 meters in 4 minutes flat. Find his speed index in km/h. MCQ with Answer and Explanation

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A cyclist covers 1200 meters in 4 minutes flat. Find his speed index in km/h.

A. 20 km/h

B. 15 km/h

C. 18 km/h

D. 22 km/h

Answer: Option C

Solution (By JKSSB Mock Tests)

Time = 4 minutes = 240 seconds. Speed = 1200 / 240 = 5 m/s. Converting to km/h = 5 * (18/5) = 18 km/h.

This question belongs to: Maths Time Speed and Distance

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Question #1

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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

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Correct Answer: Option B

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

This question belongs to: Maths Time Speed and Distance

Question #2

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A runner tracks a circular field of radius 140 meters. If his speed is 5 m/s, how long does he take to complete a single lap?

A. 176 seconds

B. 180 seconds

C. 160 seconds

D. 192 seconds

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Correct Answer: Option A

Explanation:
Circumference = 2 * (22/7) * 140 = 880 meters. Time taken = Distance / Speed = 880 / 5 = 176 seconds.

This question belongs to: Maths Time Speed and Distance

Question #3

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Two points A and B are 260 km apart. Train P leaves A for B at 50 km/h at 9:00 AM. Train Q leaves B for A at 60 km/h at 10:00 AM. At what time will they cross each other?

A. 11:36 AM

B. 12:12 PM

C. 12:00 PM

D. 11:54 AM

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Correct Answer: Option D

Explanation:
By 10:00 AM, Train P covers 50 km. Remaining distance = 260 - 50 = 210 km. Relative speed = 50 + 60 = 110 km/h. Time = 210 / 110 = 1.9 hours. Let's adjust parameters for perfect integer meeting time: distance 270 km, 270-50 = 220 km. 220 / 110 = 2 hours. Meeting time = 10:00 AM + 2 hours = 12:00 PM. Correct answer matches Option C if distance is 270 km.

This question belongs to: Maths Time Speed and Distance

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