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Start learning 50% faster. Sign in nowFirst 13 whole numbers = 0, 1, 2, …….., 10, 11 Average = (1st term + last term)/2 = (0 + 11)/2 = 5.5
A man takes 2.2 times as long to row a distance upstream as to row the same distance downstream. If he can row 66 km downstream in 2 hours, what is the ...
Speed of a boat in still water is 9 kmph and speed of stream is 6 kmph. A man rows to a place at a distance of 30 km and come back to starting point. Th...
A man can row one quarters of a kilometer against the stream in 30/4 minutes and return in 5/2 minutes. The speed of the man in still water is:
If a boat travels 18 km more in downstream than in upstream in 3 hours and if the speed of the Boat in still water is 20 kmph. Find the distance tra...
The speed of a boat in still water is 5 times more than that of the current. If the boat takes 10 hours to cover 200 km upstream, then find the time tak...
Speed of a boat in still water to speed of boat in upstream is 8: 7. If the boat can travel 450 km in downstream in 10 hours, then find the time taken b...
The sum of the speeds of two boats A and B in still water is 56 km/hr. such that the speed of boat A in still water is 25% less than that of boat B in s...
A swimmer can swim at a speed of 3.5 kilometers per hour in still water. If the time taken to cover a certain distance upstream is 2.5 times the time ta...
The speed of a boat in still water is 35 km/hr. If the boat covers 150 km in upstream in 5 hours, then find the time taken by the boat to travel 200 km ...
A boat takes 1/4th time in moving a certain distance downstream than upstream. The ratio of the speed of the boat in still water and that of current is?
