Question
The gas used for filling weather balloons
is-Solution
The correct answer is A
Speed of current is equal to 35% of speed of boat in still water. If the boat takes 7 hours to cover 140 km in still water, then find the time taken by ...
Speed of current is equal to 15% of speed of boat in still water. If the boat takes 3 hours to cover 120 km in still water, then find the time taken by ...
Motor boat covers a certain distance downstream in a river in 5 hours. It covers the same distance upstream in 7 and half an hour. If the speed of the w...
Downstream speed of a boat is 16 km /hr. Speed of stream is 40% less than the speed of boat. Find the speed of boat?
Speed of current is equal to 15% of speed of boat in still water. If the boat takes 12 hours to cover 120 km in still water, then find the time taken by...
The speed of current is 10 km/hr. If the speed of the boat in still water had been 8 km/hr more than the original speed, then it would take 7 hours to c...
The speed of the boat A and B in still water are in the ratio 15:13. The speed of the current for both boats is 16 km/hr. If the sum of time taken by bo...
Speed of a boat in still water is 10 kmph and speed of stream is 7 kmph. A man rows to a place at a distance of 51 km and come back to starting point. T...
A boat travels 40 km downstream in 5 hours, and the same boat travels 40 km upstream in 8 hours. Find the speed of the boat in still water.
A man can row 8 km/hr in still water. If the speed of the current is 2 km/hr, it takes 5 hours more in upstream than in the downstream for the same dist...
