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Boat & Stream II CLAT 2021 Free Revision Plan II 06.05.2021
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Question 1
The downstream speed of a boat is 12 km/hr more than upstream speed. If boat can travel 180 km in 7 .5 hours in still water, then find the time taken by boat to travel 360 km __________ and 240 km __________ in 28 hours. The values given in which of the following options will fill the blanks in the same order in which it is given to make the above statement true:
A) downstream, downstream
B) downstream, upstream
C) upstream, downstream
D) upstream, upstream
Question 2
A boat can cover 425 km in still water in 17 hours. If the downstream speed of the boat is __________ % more than the speed of the boat in still water, then the boat can cover __________ km upstream in 7 hours. The values given in which of the following options will fill the blanks in the same order in which it is given to make the above statement true:
A) 8, 189
B) 20, 140
C) 24, 130
Question 3
A boat travels 60 kilometers downstream and 20 kilometers upstream in 4 hours. The same boat travels 40 kilometers downstream and 40 kilometers upstream in 6 hours. What is the speed (in km/hr) of the stream?
Question 4
The distance between two points on a river is D km. A man rowing a boat along the stream finds that the distance of rowing along the stream is 30 times the total distance and when he started rowing against the stream the distance he rowed was found 4 times of total distance. The total time taken against the stream is 10% more than that along the stream. If the boat cover 135 km along the stream in 9 hours. What is the speed of stream?
Question 5
Three botles of equal capacity are containing a mixture of milk and water in ratio 2:1, 3:7 and 4:11 respectively. These three bottles are emptied into a large bottle. What is the ratio of milk and water respectively in this large bottle?
Question 6
Two trains started simultaneously from two stations A and B, D km apart and run with speed x km/h and y km/h (x>y) respectively in the same direction. How much distance train started from A has to cover before it overtakes the second train which has started from B?
Question 7
A river 2.5 m deep and 45 m wide is flowing at the speed of 3.6 km/hour. The amount of water that runs into the sea per minute is
Question 8
The speed of a boat in still water is 11km/h. it can go 12 km upstream and return downstream to the starting point in 2 hours 45 minutes. What is the speed of stream ?
Question 9
A man rows down a river 18 km in 4 hours with the stream and returns in 10 hours. Consider the following statements:
1) The speed of the man against the stream is 1.8 km/hr.
2) The speed of the man in still water is 3.15 km/hr.
3) The speed of the stream is 1.35 km/hr.
Which of the above statements are correct?
1) The speed of the man against the stream is 1.8 km/hr.
2) The speed of the man in still water is 3.15 km/hr.
3) The speed of the stream is 1.35 km/hr.
Which of the above statements are correct?
Question 10
A motor boat, whose speed is 15 km/hour in still water goes 30 km down-stream and comes back in a total of 4 hour and 30 minutes. The speed of the stream is
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Dec 24CLAT UG
