Which of the following is a beneficial microorganism as far as dairying is concerned?
The correct answer is D
Speed of boat is 20 km/hr. Speed of the stream is 15% less than speed of boat. Then find time taken by boat to go 74 km downstream?
Two Places are 162 km apart. Two boats starts from both Places at same time towards each other. If one boat is going downstream and other one is going u...
A ferry takes 108 minutes to row to place B from another place A along the stream. The distance between place A and place B is 32.4 km. If the speed of ...
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?
The speed of a boat in still water is 5 times the speed of the stream. If the difference between the upstream and downstream speed of the boats is 24 km...
A man can row 25/2 km an hour in still water and he finds that it takes him thrice as long as long to row down the river. The rate of stream is:
A man rows upstream 10 km and downstream 15 km taking 5 hours each. Find the man’s speed in still water.
...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 ...
The speed of a boat in still water is 20 km/hr. If the boat covers 120 km in upstream in 12 hours, then find the time taken by the boat to travel 150 km...
Speed of a boat in still water is 5 times more than the speed of stream. If boat covers 147 km in downstream in 7 hours, then find the time taken by the...
