Question 21 : Excluding stoppages, the speed of a bus is 54 kmph and including stoppages, it is 45 kmph. For how many minutes does the bus stop per hour?
1. 8 min
2. 5 min
3. 10 min
4. 14 min
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Question 22 : Two persons starting from the same place walk at a rate of 5kmph and 5.5kmph respectively. What time will they take to be 8.5km apart, if they walk in the same direction?
1. 17 hrs
2. 22 hrs
3. 25 hrs
4. 12 hrs
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Question 23 : 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. 45 min
2. 60 min
3. 55 min
4. 70 min
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Question 24 : Walking at the rate of 4kmph a man cover certain distance in 2hr 45 min. Running at a speed of 16.5 kmph the man will cover the same distance in.
1. 12 min
2. 25 min
3. 40 min
4. 48 min
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Question 25 : In covering a distance of 30 km, A takes 2 hours more than B. If A doubles his speed, then he would take 1 hour less than B. A's speed is:
1. 5 km/h
2. 8 km/h
3. 10 km/h
4. 15 km/h
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Question 26 : A train 140m long is running at 60kmph. In how much time will it pass a platform 260m long?
1. 15 seconds
2. 24 seconds
3. 28 seconds
4. 30 seconds
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Question 27 : The ratio between the speeds of two trains is 7: 8. If the second train runs 440 kms in 4 hours, then the speed of the first train is:
1. 47.4 km/hr
2. 57.19 km/hr
3. 68.13 km/hr
4. 96.25 km/hr
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Question 28 : A man can cover a distance in 1hr 24min by covering 2/3 of the distance at 4 km/h and the rest at 5km/h. The total distance is
1. 5km
2. 6km
3. 7km
4. 8km
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Question 29 : A man walks at 5kmph for 6hr and at 4km/h for 12hr. His average speed is
1. 4 1/3 km/h
2. 7 2/3 km/h
3. 9 ½ km/h
4. 8 km/h
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Question 30 : Robert is travelling on his cycle and has calculated to reach point A at 2 P.M. if he travels at 10 kmph, he will reach there at 12 noon if he travels at 15 kmph. At what speed must he travel to reach A at 1 P.M.?
1. 8 Kmph
2. 11 kmph
3. 12 Kmph
4. 14 kmph
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