What is sublimation?
Sublimation is the transition of a substance directly from the solid to the gas state, without passing through the liquid state. The verb form of sublimation is sublime, or less preferably, sublimate. Sublimate also refers to the product obtained by sublimation.
A man can row 32 km/hr in still water. It takes him thrice as long to row up as to row down the river. Find the rate of the current.
A man rows to a place 24 km distant and comes back in 14 hours. He finds that he can row 4 km with the stream at the same time as 3 km against the strea...
Ramesh rows in still water at the speed of 8 kmph to go a certain place and come back. Find his average speed for the whole journey if the river is flow...
Speed of a boat in still water to speed of boat in upstream is 9:5. If the boat can travel 390 km in downstream in 5 hours, then find the time taken by ...
A man can row at a speed of 20 km/hr in still water to a certain upstream point and back to the starting point in a river which flows at 5 km/hr. Find h...
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 ...
When travelling downstream, a boat takes 6.25 hours to travel 275 km. If the speed of the stream is (4/11)th of downstream speed of the boat,...
Speed of a boat in still water is 10 kmph and speed of stream is 6 kmph. A man rows to a place at a distance of 32 km and come back to starting point. T...
A boat covers some distance downstream in 1 hour. It covers 3/2 hours. If the velocity of the stream is 3 kilometers per hour, then what will be the vel...
The speed of a motorboat in still water is 50 km/hr. If the motorboat travels 120 km along the stream in 1 hour 30 minutes, then the time taken by it t...
