A thief is spotted by a policeman from a distance of 150 meters. The thief runs at 11 km/h and the policeman chases him at 12 km/h. Find the distance covered by the thief before he is caught. MCQ with Answer and Explanation

A thief is spotted by a policeman from a distance of 150 meters. The thief runs at 11 km/h and the policeman chases him at 12 km/h. Find the distance covered by the thief before he is caught.
A. 1500 meters
B. 1650 meters
C. 1950 meters
D. 1800 meters
Answer: Option B
Solution (By JKSSB Mock Tests)
Relative speed = 12 - 11 = 1 km/h. Time to catch the thief = 0.15 km / 1 km/h = 0.15 hours. Distance covered by thief = Speed * Time = 11 km/h * 0.15 hours = 1.65 km = 1650 meters.

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Practice More Time Speed and Distance Questions

Question #1
A boat crew rows 30 km upstream and 50 km downstream, taking exactly 5 hours for each independent passage. Find the speed of the current stream.
A. 2.5 km/h
B. 1.5 km/h
C. 3 km/h
D. 2 km/h

Correct Answer: Option D


Explanation:
Upstream speed = 30 / 5 = 6 km/h. Downstream speed = 50 / 5 = 10 km/h. Speed of current stream = (Downstream speed - Upstream speed) / 2 = (10 - 6) / 2 = 2 km/h.

This question belongs to: Maths Time Speed and Distance
Question #2
A train 110 meters long is traveling at 60 km/h. How much time will it take to pass a platform 240 meters long?
A. 27 seconds
B. 21 seconds
C. 24 seconds
D. 18 seconds

Correct Answer: Option B


Explanation:
Total distance = 110 + 240 = 350 meters. Speed = 60 * (5/18) = 50/3 m/s. Time = 350 / (50/3) = 350 * 3 / 50 = 7 * 3 = 21 seconds.

This question belongs to: Maths Time Speed and Distance
Question #3
A cyclist handles 800 meters in exactly 2 minutes 40 seconds. Find his speed in km/h.
A. 20 km/h
B. 22 km/h
C. 18 km/h
D. 16 km/h

Correct Answer: Option C


Explanation:
Time = 2 minutes 40 seconds = 160 seconds. Speed = 800 / 160 = 5 m/s. In km/h = 5 * (18/5) = 18 km/h.

This question belongs to: Maths Time Speed and Distance