Question
If 50 percent of the families in a certain city
subscribe to the morning newspaper, 65 percent of the families subscribe to the afternoon newspaper and 85 percent of the families subscribe to at least one of the two newspapers, then the percentage of families that subscribe to both newspapers isSolution
A man can row at 36 km/hr in still water. In a stream which is flowing at 12 km/hr, it takes him 3 hrs to a place and back. How far is the place?
A boat can cover 110 km in upstream in 11 hours and 140 km in downstream in 7 hours. Find the speed of the stream.
A boy can swim in water with a speed of 16 km/hr in still water. If the speed of the stream is 9 km/hr, what will be the time taken by the boy to cover ...
If a man rows at the rate of 19 kmph in still water and his rate against the current is 7 kmph, then find the man’s speed with downstream.    ...
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 to speed of boat in upstream is 10:7. If the boat can travel 390 km in downstream in 5 hours, then find the time taken by...
A boat covers a certain distance against the stream in 9 hours 36 min and it covers the same distance along the stream in 6 hours. What is the ratio of ...
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 180 km ...
The ratio of the speed of boat in upstream to speed of boat in downstream is 7:9. If the boat can cover a total of 49 km upstream and 81 km downstream i...
The speed ratio of a stream to the upstream speed of a boat is 1:9. A boat takes 2 hours and 30 minutes to travel 82.5 km downstream. Determine the time...
