Practice Test

Q1) A man can row upstream at 7 km/hr and downstream at 10 km/hr. Find the rate of current. Show Answer

Q2) In one hour, a boat goes 11 km along the stream and 5 km against the stream. The speed of the boat in still water (in km/hr) is Show Answer

Q3) A man rows downstream 32 km and 14 km upstream. If he takes 6 hours to cover each distance, then the velocity (in km/hr) of the current is Show Answer

Q4) A man takes twice as long to row a distance against the stream as to row the same distance in favour of the stream. The ratio of the speed of the boat (in still water) and the stream is Show Answer

Q5) A boatman goes 2 km against the current of the stream in 1 hour and goes 1 km along the current in 10 minutes. How long will it take to go 5 km in stationary water ? Show Answer

Q6) 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 Show Answer

Q7) Speed of a boat in standing water is 9 km/hr and the speed of the stream is 1.5 km/hr. A man rows to place at a distance of 105 km and comes back to the starting point. The total time taken by him is Show Answer

Q8) A boat takes 19 hrs for travelling downstream from point A to the point B and coming back to a point C midway between A and B. If the velocity of the stream is 4 km/hr and the speed of the boat in still water is 14 km/hr, what is the distance between A and B. Show Answer

Q9) A man can row at 5 km/hr in still water. If the velocity of current is 1 km/hr and it takes him 1 hour to row to a place and come back, how far is the place ? Show Answer

Q10) The speed of a boat in still water is 15 km/hr and the rate of current is 3 km/hr. the distance travelled downstream in 12 minutes is Show Answer

Q11) A boat can travel with a speed of 13 km/hr in still water. If the speed of the stream is 4 km/hr. . Find the time taken by the boat to go 68 km downstream. Show Answer

Q12) A boat running downstream covers a distance of 16 km in 2 hrs while for covering the same distance upstream, it takes 4 hours. What is the speed of the boat in still water ? Show Answer

Q13) A boat covers a certain distance downstream in 1 hour, while it comes back in one and half hours. If the speed of the stream be 3 km/hr. what is the speed of the boat in still water ? Show Answer

Q14) 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 km/hr, while the other sails a boat at a speed of 10 km/hr. If the river flows at the speed of 4 km/hr , which of the two friends will return to place A first? Show Answer

Q15) In a stream running at 2 km/hr, a motorboat goes 6 km upstream and back again to the starting point in 33 minutes. Find the speed of the motorboat in still water. Show Answer

Q16) A boat can go to a fixed point at a distance of 6 km and come back to initial point in 2 hrs. If speed of stream is 4 km/hr, then the speed of boat in still water will be Show Answer

Q17) A boat cover 24 km upstream and 36 m downstream in 6 hrs, while it covers 36 km upstream and 24 km downstream in six and half hours. The speed of the current is Show Answer

Q18) A river 3 m deep and 40 m wide, is flowing at a rate of 2 km/hr . How much water ( in litre) will fall into the sea in one minute. Show Answer

Q19) A boat takes 90 minutes less to travel 36 miles downstream than to travel the same distance upstream. If the speed of the boat in still water is 10 mph, the speed of the stream is Show Answer

Q20) In one hour, a boat goes 11 km along the stream and 5 km against the stream. The speed of the boat in still water in (km/hr) is Show Answer

Q21) A boat running downstream covers a distance from X to Y. The total time taken by boat in travelling from point X to Y and from Y to X is 41 min 40 sec. What is the speed of the boat? Show Answer

Q22) A boat takes 3 hrs. to travel from place M to N downstream and back from N to M upstream. If the speed of the boat in still water is 4 km/hr. What is the distance between two places. Show Answer

Q23) A man can row upstream at 8 km/hr and downstream at 13 km/hr. The speed of the stream is Show Answer

Q24) A motorboat travelling at some speed can cover 25 km upstream and 39 km downstream in 8 hours. At the same speed it can travel 35 km upstream and 52 km downstream in 11 hours. The speed of the stream is Show Answer

Q25) A man can row 30 km upstream and 44 km downstream in 10 hrs. also he can row 40 km upstream and 55 km downstream in 13 hrs. Find the rate of the current and the speed of the man in still water. Show Answer

Q26) Ramesh can row certain distance downstream in 6 hrs and returns same distance in 9 hrs. if the stream flows @ of 3 km/hr. Find the speed of the Ramesh in still water. Show Answer

Q27) A boat goes 40 km upstream in 8 hrs and 36 km downstream in 6 hrs. The speed of the boat in still water is Show Answer

Q28) A boat covers a distance of 30 km downstream in 2 hrs while takes 6 hrs to cover the same distance upstream. If the speed of the current is half of the speed of the boat, then what is the speed of the boat? Show Answer