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Question 1/30
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1/3 km/hr
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A boatman can row 2 km against the stream in 20 minutes and return in 18 minutes. Find the rate of current ?
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Question 2/30
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24.5 m/s
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A tower is 61.25m high. A rigid body is dropped from its top and at the same instant another body is thrown up-wards from the bottom of the tower with such a velocity that they meet in the middle of the tower. The velocity of projection of the second body is ?
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Question 3/30
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6 sec
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A train 110 metres long is running with a speed of 60 kmph. In what time wilVit pass a man who is running at 6 kmph in the direction opposite to that in which the train is going ?
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Question 4/30
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6 hrs 21 min
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An express train travelled at an average speed of 100 km/hr, stopping for 3 minutes after every 75 km. How long did it take to reach its destination 600 km from the starting point?
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Question 5/30
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250 m
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In a 500m race Dishu beats Abhishek by 100m or 5 seconds. In another race on the same track at the same speeds. Abhishek and Prashant start at one end while Dishu starts at the opposite end. How many metres would Abhishek have covered, by the time Dishu meets Prashant given that Dishu's speed is 10 m/sec more than that of Prashant ?
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Question 6/30
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5
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A man can row three - quarters of a kilometer against the stream in 11¼minutes. The speed(in km/hr) of the man in still water is ?
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Question 7/30
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3 km/hr
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A man can row 7.5 kmph in still water. If in a river running at 1.5 km an hour, it takes him 50 minutes to row to a place and back, how far off is the place ?
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Question 8/30
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18 km/hr
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A car travels the first one-third of a certain with a speed of 10 km/hr , the next one-third distance with a speed of 20 km/hr, and the last one-third distance with a speed of 60 km/hr. The average speed of the car for the whole journey is ?
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Question 9/30
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8.4km/hr
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There is a road beside a river. Two friends started from a place A, moved to a temple situated at another place B and then returned to A again. One of them moves on a cycle at a speed of 12 kmJhr, while the other sails on a boat at a speed oi 10 km/hr. If the river flows at the speed of 4 km/hr, which of the two friends wit return to place A first ?
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Question 10/30
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4.8
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A man can row 10 kmph in still water and the river is running at 2 kmph. If the man takes 1 hr to row to a place and back, how far is the place?
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Question 11/30
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48 km/hr
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A car travels first half distance between two places with a speed of 40 km/hr and rest of the half distance with a speed of 60 km/hr. The average speed of the car is ?
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Question 12/30
1 / -0
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80 km
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The speed of a motor boat itself is 20 km/h and the rate of flow of the river is 4 km/h. Moving with the stream the boat went 120 km. What distance will the boat cover during the same time going against the stream?
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Question 13/30
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444 km
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The Ghaziabad-Hapur-Meerut EMU and the Meerut-Hapur-Ghaziabad EMU start at the same time from Ghaziabad and Meerut and proceed towards each other at speeds of 16 km/hr and 21 km/hr respectively. When they meet, it is found that one train has travelled 60 km more than the other. What is the distance between two stations?
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Question 14/30
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30
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How many seconds will a 500 metre long train take to cross a man walking with a speed of 3 km/hr in the direction of the moving train if the speed of the train is 63 km/hr?
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Question 15/30
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30
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How many seconds will a 500 metre long train take to cross a man walking with a speed of 3 km / hr in the direction of the moving train if the speed of the train is 63 km/hr?
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Question 16/30
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230 m
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A 270 metres long train running at the speed of 120 kmph crosses another train running in opposite direction at the speed of 80 kmph in 9 seconds. What is the Length of the other train ?
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Question 17/30
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50 km
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If a person walks at 14 km/hr instead of 10 km/hr he would have walked 20 km more. What is the actual distance travelled by him?
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Question 18/30
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4 hr
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A boatman can row 48 km downstream in 4 hr. If the speed of the current is 5 km/hr, then find in what time will be able to cover 8 km upstream?
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Question 19/30
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9km/hr
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A man can row 18 kmph in still water. It takes him thrice as long to row up as to row down the river. Find the rate of stream ?
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Question 20/30
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19
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Dexter and Prexter are competing with each other in a friendly community competition in a pool of 50m length and the race is for 1000m. Dexter crosses 50m in 2 min and Prexter in 3 min 15 sec. Each time they meet cross each other, they do handshake's. How many such handshake's will happen if they start from the same end at the same time?
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Question 21/30
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10.5 km/hr
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A ship 77 km from the shore, springs a leak which admits to 9/2 tonnes of water in 11/2 minutes. 92 tonnes of water would sink it. But the pumps can throw out 12 tonnes of water per hour. Find the average rate of sailing so that the ship may just reach the shore as it begins to sink.
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Question 22/30
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3 hours 12 minutes
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Ram covers a part of the journey at 20 kmph and the balance at 70 kmph taking total of 8 hours to cover the distance of 400 km. How many hours has he been driving at 20 kmph?
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Question 23/30
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79.2 km/hr
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A train moves past a telegraph post and a bridge 264 m long in 8 seconds and 20 seconds respectively. What is the speed of the train ?
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Question 24/30
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2.4 km
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A man can row at 15 kmph in still water. If the velocity of current is 1 kmph and it takes him 1 hour to row to a place and come back, how far is the place?
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Question 25/30
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50 m
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A train overtakes two persons who are walking in the same direction in which the train is going, at the rate of 2 kmph and 4 kmph and passes them completely in 9 and 10 seconds respectively. The length of the train is ?
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Question 26/30
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15 min.
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walking 5/7 of his usual rate, a boy reaches his school 6 min. late. Find his usual time to reach school ?
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Question 27/30
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3 km/hr
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The speed of a boat in still water is 10 km/hr. If it can travel 26 km downstream and 14 km upstream in the same time, the speed of the stream is ?
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Question 28/30
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12 sec
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A train 100 m long is running at the speed of 30 km / hr. Find the time taken by it to pass a man standing near the railway line?
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Question 29/30
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400 m
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A train travelling at 48 kmph completely crosses another train having half its length and travelling in opposite direction at 42 kmph, in 12 seconds. It also passes a railway platform in 45 seconds. The length of the platform is ?
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Question 30/30
1 / -0
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5 km
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A worker reaches his factory 3 minutes late if his speed from his house to the factory is 5 km/hr. If he walks at a speed of 6 km/hr, then he reaches the factory 7 minutes early. The distance of the factory from his house is