Time, Speed and Distance

1)

If a Car travels from town A to town B at 35 kmph and returns from town B to A at 45 kmph, what is the average speed?

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2)

 The distance between two stations P and Q is 200 kms. One train starts from P at 8: 30 a.m. and travels towards Q at 20 kmph speed. Another train starts from Q at 9: 30 a.m. and travels towards P at a speed of 25 kmph. At what time will they meet?

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3)

 A train, 180m long, is running at the speed of 36 kmph. It crosses a bridge in 50 seconds. What is the length of the bridge?

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4)

In a 2km race, the ratio of the speeds of two contestants A and B is 4: 5. If B has a head start of 200m, then by how many metres will A lose the race?

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5)

A Boat travels at a speed of 15 kmph in still water. If the speed of the current is 4 kmph, find the time taken by the boat to travel 114 km downstream.

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6)

 Every day, Meena travels 50km from her home to college. The total time taken for the onward and return journey is 3 hours 15 minutes. If she drives to college at a speed of 25kmph, find the speed of her return journey.

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7)

 Two trains A and B, start simultaneously running on parallel tracks towards each other from station Chennai to Bangalore at 1 am. It takes 7 hours for each of the trains to reach their destinations Chennai and Bangalore respectively. At what time do the two trains meet?

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8)

In a 800m race, if A beats B by 400m and B beats C by 80m. In a 1600m race, A can beat C by

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9)

 A steamer takes 4 hours to travel a certain distance downstream and 6 hours to travel the same distance upstream. The speed of the current is 12 kmph. Find the speed of boat and distance travelled .

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10)

A Father and his Son walk up an escalator which moves up at a constant speed. Father takes 6
Steps for every 5 steps of his son. The father and son take 40 and 48 steps respectively to reach the top. What is the total number of steps in the escalator?

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11)

Two athletes P and Q run around a circular path of length 1800m. The speed of P and Q are 30m per minute and 45m per minute respectively. Both start at the same point and run in the same direction. Find the time taken by the athletes to meet again at the starting point as well as the time taken by them to meet for the first time along the circular path.

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12)

 A takes 80 seconds to move up in an escalator which is moving down whereas he would have taken only 70 seconds if it had moved up. Find the time taken by him to move up in a stationary
Escalator.

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13)

 Vimal starts at 9 am from city A at a constant speed of 40 kmph. He halts at a park for 40 minutes and then drives at 60 kmph. He reaches city B at 1: 40 pm which is 200 km away from city A. What is the distance between the park and city B?

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14)

 Two stations A and B are 480 km apart. The superfast train starts from station A to station B while a passenger train starts from station B at the same time. The superfast train travels non-stop at a speed of 60kmph until it arrives at station B. The passenger train travels at an average speed of 40 kmph, but has to stop for 20 minutes at station C, which is 80 km away from station B to station A . What is the distance from station A to the point where the trains cross each other?

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15)

A women can row 40 km upstream and 64 km downstream in 8 hours. She can also row 60 km upstream and 80 km downstream in 11 hours. Find the speed of the current and speed of boat.

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