Question
Process by which substances like carbon dioxide or
oxygen can move across the cell membrane is called _________.Solution
The correct answer is A
Calculate the speed of a boat in still water if it travels 176 km downstream in 11 hours and returns 144 km upstream in 18 hours.
The speed of boat 'X' in upstream is 18 km/hr and speed of boat 'Y' in downstream is 30 km/hr. If the difference between speeds of boat 'X' and 'Y' in s...
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. ...
If a man rows at the rate of 25 kmph in still water and his rate against the current is 5.5 kmph, then the manrsquo;s rate along the current is:...
Speed of a boat in still water to speed of boat in upstream is 12: 11. If the boat can travel 260 km in downstream in 4 hours, then find the time taken ...
Downstream speed of a boat is 16 km /hr. Speed of stream is 40% less than the speed of boat. Find the speed of boat?
A boy can swim a certain distance downstream in 2 hours and return in 5 hours. If the rate of stream is 3 kmph then what is the speed of boy in still wa...
A man can row upstream at 18 km/hr and downstream at 24 km/hr. Find the man’s rate in still water and the rate of the current.
...A boat covers 72 km upstream and 108 km downstream in 6 hours and 4.5 hours, respectively. Find the time taken by the same boat to cover 150 km in still...
The ratio of the distances traveled by a boat in upstream and downstream is 6:7, respectively, and the total time taken to cover the desired distance is...
