A car moves at the speed of 80km/hr. What is the speed of the car in metres per second?
A). 8 m/sec
B). 181/9 m/sec
C). 200/9 m/sec
D). None of these
200/9 m/sec
NA
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1. A man crosses a street 600 m long in 5 minutes. His speed in km. per hour is:
2. A and B are two towns. Mr. Faruqui covers the distance from A to B on cycle at 16 km/hr. however, he cover the distance from B to A on foot at 9 km/hr. his average speed during the whole journey is ?
3. The ratio between the speeds of two trains is 7 : 8. If the second train runs 400 km in 4 hours, then the speed of the first train is:
4. A boy goes to the market at a speed of 10 kmh"1 and returns at a speed of 5 kmh1 . If he takes 3 hours in all, what is the distance between his home and the market ?
5. A boy goes to his school from his house at a speed of 3 km/hr and returns at a speed of 2 km/hr. If he takes 5 hours in going and coming, the distance between his house and school is :
6. A man takes 6 hours 15 minutes in talking a distance and riding back to the starting place. He could walk both ways in 7 hours 45 minutes. The time taken by him to ride both ways, is
7. A person takes 20 minutes more to cover a certain distance by decreasing his speed by 20%. What is the time taken to cover the distance at his original speed?
8. A train,150 m long, takes 30 seconds to cross a bridge 500 m . How much time will the train take to cross a platform 370 m long
9. Two cyclists A and B are cycling around a circular track of 150 m length with respective speeds of 10 m/sec and 15 m/sec. What is the time taken by them to meet for the first time right at their start
10. Two men start together to walk to a certain destination, one at 3.75 km an hour and another at 3 km an hour. The former arrives half an hour before the latter, the distance is ?
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