Question
Select the number that replaces the question mark (?)
and completes the given series. 5, 18, 39, 68, ?, 150Solution
The duration it takes for boat 'P' to cover 160 km downstream is equal to the duration it takes to cover 120 km upstream. If the ratio of the speed of b...
- A boat goes downstream at 28 km/hr and upstream at 20 km/hr. If it takes 14 hours to travel (x + y) km upstream when the stream speed is doubled, then what...
A boat can cover 40 km upstream and 60 km downstream in 13 hour. Also it can cover 50 km upstream and 72 km downstream in 16 hour. Find the speed of boa...
A man can row at 7 kmph in still water. If the velocity of current is 5 kmph and it takes him 7 hour to row to a place and come back, how far is the place?
The speed of the stream is 12 km/h. Boat ‘A’ covers 120 km distance against the stream in 6 hours and boat ‘B’ covers 120 km distance against th...
If a man rows at the rate of 17 kmph in still water and his rate against the current is 7 kmph, then find the man’s speed with downstream....
A boat goes 56 km in upstream in 4 hours and takes 3 hours to complete a distance of 18 km in downstream. Find the speed of boat in still water.
The speed of the stream is 15 km/h. Boat ‘A’ covers 100 km distance against the stream in 4 hours and boat ‘B’ covers 90 km distance against the...
The speed of a boat is that of the current of water is 35:6. The boat goes along with the current in 5 hours 10 minutes. Approximately at what time it w...
A boy can swim a certain distance downstream in 5 hours and return in 7 hours. If the rate of stream is 3 kmph then what is the speed of boy in still wa...
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