Question
A small film-plate which is used for microfilming the
output from a microcomputer screen is calledSolution
The correct answer is B
A boat goes 5 km an hour in still water, but takes twice as much time in going the same distance against the current. The speed of the current (in km/ho...
A boat covers 180 km each in upstream and downstream in a total time of 10 hours. It also takes 5 hours to travel 40 km upstream and 140 km downstream. ...
A boat takes 24 hours to cover 'q' km in still water. While traveling downstream, it takes 16 hours to cover (q - 80) km. If the speed of the boat in st...
The speed of a boat in still water is 200% higher than the speed of stream. If the boat takes 4 hours to cover 96 km downstream, find the time it will t...
A boat can travel 36 km downstream in 2 hours and 24 km upstream in 3 hours. Find the speed of the boat in still water and the speed of the stream.
A boat can cover βyβ km distance downstream in (t+2.5) hours. The same boat can cover β0.25yβ km distance upstream in βtβ hours. The time ta...
- Ratio of speed of a boat in still water to speed of stream is 9:1 respectively.Ratio of the time taken by the boat to cover a distance of (x + 50) km upstr...
A boat goes 7km an hour in still water, it takes thrice as much time to go the same distance against the current in comparison to the direction of the c...
Speed of a boat in still water to speed of boat in upstream is 8:5. If the boat can travel 440 km in downstream in 5 hours, then find the time taken by ...
A boat can cover 60 km in still water and 75 km in downstream in 4 hours and 3 hours respectively. Find the time taken by the boat to cover 36 km upstre...