Question
On-orbit servicing could also help cut down on the
perplexing problem of mounting space debries. Four words of the following sentence have been bold and given as options. Select the option that contains a spelling error.Solution
Correct spelling is -Â Debris
A boat can travel 12 km upstream in 30 min. If the ratio of the speed of the boat in still water to the speed of the stream is 5:1, how much time will t...
A boat takes 3 hours  to travel 54 km downstream  and 3 hours  to travel 42 km upstream . What is the speed of the boat in still water ?
A boat can travel 72 km upstream and 108 km downstream in 5 hours. Find the speed of the boat in still water if the ratio of the ...
The speed of a boat in still water is 50% more than the speed of the stream such that the boat takes 3 hours to cover 81 km downstream. If the speed of ...
Motor boat covers a certain distance downstream in a river in 20 hours. It covers the same distance upstream in 30 hours. If the speed of the water is 1...
The stream flows at 2 km/h. A boat takes 1 hour more to cover 36 km upstream than it takes to go 40 km downstream. What is the distance the boat can cov...
The speed of a boat in still water is 7 km/hr and speed of current is 3 km/hr. If time taken to cover a certain distance upstream is 10 hours, then how ...
Speed of current is equal to 20% of speed of boat in still water. If the boat takes 4 hours to cover 120 km in still water, then find the time taken by ...
A boat takes 8 hours to travel 240 km upstream. If the speed of the boat in still water is 40 km/h, how much time will it take for the boat to travel 12...
The speed of the stream is 14 km/h. Boat ‘A’ covers 130 km distance against the stream in 5 hours and boat ‘B’ covers 100 km distance against th...
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