Question
Expenditure of installation of a new machinery,
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The correct answer is A
In still water, a boat can cover 30 km in 90 minutes. Speed of the stream is 20% of the speed of the boat in downstream. Find the time taken by the boat...
A boat can travel 28 km downstream in 30 min. The ratio of the speed of the boat in still water to the speed of the stream is 5: 3. How much time will t...
The income of ‘A’ increases by 20% every year. If his income 3 years hence from now will be Rs. 13478.4, then find his income a year before from now...
The speed of a boat in still water is 28 km/hr. If the boat covers 140 km in upstream in 7 hours, then find the time taken by the boat to travel 144 km ...
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...
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...
A man can row his boat with the stream at 14 km/h and against the stream in 8 km/hours. Find the rate of the stream.
A boy can swim a certain distance downstream in 4 hours and return in 5 hours. If the rate of stream is 3 kmph then what is the speed of boy in still wa...
Speed of a boat in still water to speed of boat in upstream is 12: 11. If the boat can travel 260 km in downstream in 4 hours, then find the time taken ...
A man row a boat 1 km in 5 min, along the stream and 6 km in 1hrs against the stream, The speed of the stream will beÂ
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