Question 11 : A person crosses a 600 m long street in 5 minutes. What is his speed in km per hour?
1. 3.6
2. 7.2
3. 8.4
4. 10
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Question 12 : A man takes 5hr 45min in walking to certain place and riding back. He would have gained 2hrs by riding both ways. The time he would take to walk both ways is?
1. 7 hr 45 min
2. 7 hr 15 min
3. 6 hr 45 min
4. 6 hr 15 min
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Question 13 : A train M leaves City A at 5 am and reaches City B at 9am . Another train N leaves City B at 7am and reaches City A at 1030am. At what time do the 2 trains cross one another?
1. 1 hr 23 min
2. 1 hr 15 min
3. 1 hr 8 min
4. 56 min
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Question 14 : The ratio between the speeds of the A& B is 2:3, and therefore A takes 10 min more than the time taken by B to reach the destination. If A had walked at double the speed, he would have covered the distance in
1. 8 min
2. 12 min
3. 15 min
4. 18 min
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Question 15 : A bullock cart has to cover a distance of 80km in 10hrs. If it covers half of the journey in 3/5th time. what should be its speed to cover the remaining distance in the time left.
1. 8 km/h
2. 10 km/h
3. 12 km/h
4. 14 km/h
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Question 16 : A car covers 4 successive 3km stretches at speed of 10kmph, 20kmph, 30kmph & 60kmph resp. Its average speed is
1. 20 km/h
2. 25 km/h
3. 30 km/h
4. 35 km/h
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Question 17 : A & B are two towns. A person covers the distance from A to B on cycle at 17kmph and returns to A by a boat running at a uniform speed of 8kmph. His average speed for the whole journey is
1. 12.5 km/h
2. 12.33 km/h
3. 10.75 km/h
4. 10.88 km/h
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Question 18 : A motorist covers a distance of 39km in 45min by moving at a speed of x kmph for the first 15min, then moving at double the speed for the next 20 min, and then again moving at his original speed for the rest of the journey. Find x.
1. 60 km/h
2. 48 km/h
3. 36 km/h
4. 58 km/h
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Question 19 : A man covers a distance on scooter. Had he moved 3kmph faster he would have taken 40 min less. If he had moved 2kmph slower, he would have taken 40min more. The distance is.
1. 30 km
2. 40 km
3. 45 km
4. 50 km
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Question 20 : A train covers a distance in 50 min, if it runs at a speed of 48kmph on an average. The speed at which the train must run to reduce the time of journey to 40min will be.
1. 60 km/h
2. 55 km/h
3. 40 km/h
4. 70 km/h
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