Question
Which of the following element has a perforated cell
wall?Solution
Vessel member are interconnected through perforations in their common walls.
The speed of the stream is 12 km/h. Boat âAâ covers 100 km distance against the stream in 5 hours and boat âBâ covers 80 km distance against the...
If the sum of upstream and downstream speed is 24 km/hr and the speed of the current is 5 km/hr, then find the approximate time taken to cover 36 km dow...
The ratio between the time taken by a boat to cover a certain distance in upstream and the same distance in downstream is 5:1 respectively. The same boa...
The speed of a boat is that of the current of water is 32:5. The boat goes along with the current in 3 hours 10 minutes. It will come back in
- In still water, a boat travels 63 km in 3 hours. If the speed of the stream is 6 km/h, then what is the percentage increase of downstream speed compared to...
A man can row his boat with the stream at 15 km/h and against the stream in 8 km/hours. The manâs rate isÂ
Time taken by a boat to cover 180 km in downstream is the same as to cover 140 km in upstream. Find the time taken by the boat to cover 360 km in downst...
A boat is navigating a river with a current speed of 2 km/h. It takes the boat 75 minutes longer to cover a distance of 56 km upstream than it does to c...
What is the difference between the mode and the meaning of the observations?
2,3,4, 5, 6, 7, 8, 12, 9, 12, 5, 12
The speed of the boat in still water is 10 km/hr and the speed of the stream is 5 km/hr. A boat goes 75 km downstream with its usual speed but at the ti...