Bissoy.com
Doctors Medicines MCQs Q&A

A policeman starts to chase a thief. When the thief goes 10 steps the policeman moves 8 steps and 5 steps of the policeman are equal to 7 steps of the thief. The ratio of the speed of the policeman and the thief is = ?

A policeman starts to chase a thief. When the thief goes 10 steps the policeman moves 8 steps and 5 steps of the policeman are equal to 7 steps of the thief. The ratio of the speed of the policeman and the thief is = ? Correct Answer 28 : 25

The distance covered by policeman in 5 steps is equal to that of thief in 7 steps
⇒ 5P = 7T
P : T
7 : 5 (distance covered in each step)
⇒ And policeman goes 8 steps while thief moves 10 steps
    Policeman   :   Thief
Steps   8   :   10
Distance in each step     7   :   5
    56   :   50
Speed   =   28   :   25

Related Questions

A thief is stopped by a policeman from a distance of 150 metres. When the policeman starts the chase, the thief also starts running. Assuming the speedof the thief as 7 km/hr and that of policeman as 9 km/hr, how far the thief would have run, before he is over- taken by the policeman?
A thief is stopped by a policeman from a distance of 400 metres. When the policeman starts the chase, the thief also starts running. Assuming the speedof the thief as 5 km/h and that of policeman as 9 km/h, how far the thief would have run, before he is over -taken by the policeman?
A thief is spotted by a policeman from a distance of 1800 m. When, the policeman starts the chase, the thief also starts running. If the speed of the police man is 21 km/hr and the policeman caught the thief in 18 minutes. Then, how far the thief will have run before he catches?
A thief is spotted by a policeman from a distance of 200 m. When the policeman starts the chase, the thief also starts running. If the speed of thief is 25 km/hour and that of the policeman is 30 km/hour, then how far will the thief have to run before he is overtaken? 
A thief is spotted by a policeman from a distance of 100 m. When the policeman starts the chase, the thief also starts chasing. If the speed of the thief is 8 km/hr and that of the policeman is 10 km/hr, then how far will the thief have to run before he is overtaken?
A thief is stopped by a policeman from a distance of 350 metres. When the policeman starts the chase, the thief also starts running. Assuming the speed ofthe thief as 5 km/h and that of the policeman as 7 km/h, how far the thief would have run, before he is over- taken?
A thief is stopped by a policeman from a distance of 450 metres. When the policeman starts the chase, the thief also starts running. Assuming the speedof the thief as 7 km/h and that of policeman as 12 km/h, how far the thief would have run, before he is over­ taken?
A policeman spots a thief from 200m. The thief starts running as soon as the policeman starts chasing him. If the speed of the policeman is 10 kmph and that of the thief is 8 kmph, how far the thief will have to run before he is overtaken by the policeman?
The ratio of the speed of police and thief is 6 : 5. A thief seeing a policeman from a distance of 200 m starts running at a speed of 15 km/hr. The policeman gives chase immediately with his speed and the thief is caught. In how much time (in minutes) the police will catch the thief?
A thief steals a cycle and spotted by a policeman from a distance of 600 meters. When the policeman starts chasing the thief by his jeep. The thief also started running by cycle. The policeman caught the thief after 30 seconds. If the speed of the cycle is 18 km/h, find the speed of the jeep of the policeman.