A man starts in a boat from A toward B against the stream. After reaching a point M on the way, he throws a rubber ring into the water. He takes 8 minutes from then to reach his destination and the ring exactly A at that moment. If the distance between A and B is 4 km, then find the speed of boat in still water
15 kmph
12 kmph
30 kmph
45 kmph
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1
Discuss

In a kilometre race, A beats B by 30 seconds and B beats C by 15 seconds. If A beats C by 180 m, the time taken by A to run 1 kilometre, is ?
Solution 
2
Discuss

In a 200 metres race A beats B by 35 m or 7 seconds. A's time over the course is:
Solution 
3
Discuss

A team played 40 games in a season and won in 24 of them. What percent of games played did the team win ?
Solution 
4
Discuss

In a 200 metres race A beats B by 35 m or 7 seconds. A's time over the course is:
Solution 
5
Discuss

A and B take part in a 100 metres race. A runs at 5 km an hour. A gives B a start of 8 metres and still beats him by 8 seconds. The speed of B is ?
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6
Discuss

A can run 22.5 m while B runs 25 m. In a kilometre race B beats A by:
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7
Discuss

In a 100 m race, A can beat B by 25 m and B can beat C by 4 m. In the same race, A can beat C by
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8
Discuss

In a game of 100 points, A can give B 20 points and C 28 points. Then, B can give C:
Solution 
9
Discuss

Two bike riders ride in opposite directions around a circular track, starting at the same time from the same point. Biker A rides at a speed of 16 kmph and biker B rides at a speed of 14 kmph. If the track has a diameter of 40 km, after how much time (in hours) will the two bikers meet?
Solution 
10
Discuss

A runs 1 2/3 times as fast as B. If A gives B a start of 80 m, how far must the winning post be so that A and B might reach it at the same time?
Solution 
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