Practice Boats and streams Questions and Answers

• A boat goes 8 km an hour in still water, but takes twice as much time in going the same distance against the current. The speed of the current (in km/hour)...
• The speed of a boat in still water is 8 km/hr and the speed of the stream is 2 km/hr. A man rows to a place at a distance of 30 km and comes back to the st...
• The speed of a boat in still water is 7 km/hr and the speed of the stream is 2.5 km/hr. A man rows to a place at a distance of 42.75 km and comes back to t...
• A motor boat covers a certain distance downstream in a river in 4 hours. It covers the same distance upstream in 4 hours and 30 minutes. If the speed of wa...
• A motor boat covers a certain distance downstream in a river in 5 hours. It covers the same distance upstream in 5 hours and 30 minutes. If the speed of wa...
• A man can row at 30 km/hr in still water. If the velocity of current is 6 km/hr and it takes him 1 hour to row to a place and come back, how far is the pla...
• Two boats X and Y start towards each other from two places, 140 km apart. Speed of the boat X and Y in still water are 13km/hr and 15km/hr respectively. If...
• Two boats X and Y start towards each other from two places, 198 km apart. Speed of the boat X and Y in still water are 15 km/hr and 18 km/hr respectively. ...
• Two boats X and Y start towards each other from two places, 76 km apart. Speed of the boat X and Y in still water are 8 km/hr and 11 km/hr respectively. If...
• Two boats X and Y start towards each other from two places, 155 km apart. Speed of the boat X and Y in still water are 14 km/hr and 17 km/hr respectively. ...
• Two boats X and Y start towards each other from two places, 119 km apart. Speed of the boat X and Y in still water are 7 km/hr and 10 km/hr respectively. I...
• A man can row 9 km/hr in still water. If the speed of the current is 3 km/hr, it takes 4 hours more in upstream than in the downstream for the same distanc...
• A man can row 12 km/hr in still water. If the speed of the current is 3 km/hr, it takes 4 hours more in upstream than in the downstream for the same distan...
• A boat covers a certain distance upstream in 6 hrs and comes back to starting point with current in 3 hrs, If boat's upstream speed is 15 km/hr, then, find...
• Speed of a boat in downstream is 50% more than that in upstream. Total time to travel 48 km upstream and 36 km downstream is 6 hours. What is the speed of ...
• A boat can row downstream at 24 km and upstream 16 km in 8 hours. Then what is the velocity of the current ?
• Ratio of distance covered by boat in upstream to downstream is 4:3. Time taken in downstream and upstream is 2hr and 4 hr respectively. If speed of boat in...
• A boat, whose speed in still water is 25% more than the speed of the current, covers 810 km downstream in _____ hours. The speed of the boat in still water...
• A boat, whose speed in still water is 25% more than the speed of the current, covers 315 km downstream in _____ hours. The speed of the boat in still water...
• A boat, whose speed in still water is 25% more than the speed of the current, covers 810 km downstream in _____ hours. The speed of the boat in still water...
• A boat, whose speed in still water is 25% more than the speed of the current, covers 810 km downstream in _____ hours. The speed of the boat in still water...
• Sumit can swim 12 km upstream and 16 km downstream in 5 hours. If ratio of speed of stream to that of speed of Sumit in upstream is 1:2, then find the spee...
• The downstream speed of a boat is 6 km/hr more than its upstream speed and the ratio of the speed of the boat in still water to the speed of the stream is ...
• Find the total distance covered by boat in each upstream and downstream in 6 hours if the speed of boat in still water and speed of current is 20 km/h and ...
• A takes 3 hours more while swimming upstream than downstream. His speed in still water is 12 km/hr. The speed of stream is 4 km/hr. What is the distance?
• A boy can swim in water with a speed of 10 km/hr in still water. If the speed of the stream is 6 km/hr, what will be the time taken by the boy to cover 80 ...
• A boy can swim in water with a speed of 12 km/hr in still water. If the speed of the stream is 5 km/hr, what will be the time taken by the boy to cover 68 ...
• A boy can swim in water with a speed of 10 km/hr in still water. If the speed of the stream is 4 km/hr, what will be the time taken by the boy to cover 70 ...
• A boy can swim in water with a speed of 15 km/hr in still water. If the speed of the stream is 8 km/hr, what will be the time taken by the boy to cover 69 ...
• A boy can swim in water with a speed of 14 km/hr in still water. If the speed of the stream is 6 km/hr, what will be the time taken by the boy to cover 40 ...
• A boy can swim in water with a speed of 16 km/hr in still water. If the speed of the stream is 9 km/hr, what will be the time taken by the boy to cover 50 ...
• A boy can swim in water with a speed of 12 km/hr in still water. If the speed of the stream is 6 km/hr, what will be the time taken by the boy to cover 72 ...
• A boy can swim in water with a speed of 13 km/hr in still water. If the speed of the stream is 5 km/hr, what will be the time taken by the boy to cover 54 ...
• The downstream speed of a boat is 4 km/hr more than its upstream speed and the ratio of the speed of the boat in still water to the speed of the stream is ...
• The downstream speed of a boat is 6 km/hr more than its upstream speed and the ratio of the speed of the boat in still water to the speed of the stream is ...
• The downstream speed of a boat is 4 km/hr more than its upstream speed and the ratio of the speed of the boat in still water to the speed of the stream is ...
• The downstream speed of a boat is 8 km/hr more than its upstream speed and the ratio of the speed of the boat in still water to the speed of the stream is ...
• The downstream speed of a boat is 8 km/hr more than its upstream speed and the ratio of the speed of the boat in still water to the speed of the stream is ...
• The downstream speed of a boat is 8 km/hr more than its upstream speed and the ratio of the speed of the boat in still water to the speed of the stream is ...
• A boat running downstream covers a distance of 36 km in 6 hrs and covering the same distance upstream in 9 hrs. What is the speed of a boat in still water?