Detasseling is done in maize to increase the amount of radiation available for leaf photosynthesis and reduce intra plant competition between leaves and tassel for nutrients.
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 60 km upstre...
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 running downstream covers a distance of 48 km in 3 hrs and covering the same distance upstream in 12 hrs. What is the speed of a boat in still wa...
If a man rows 8km downstream in 6 hours and 4km upstream in 4 hours, then how long will it take him to cover 14km in still water?
A man can row at a speed of 20 km/hr in still water to a certain upstream point and back to the starting point in a river which flows at 5 km/hr. Find h...
A boat can cover 185 km in downstream in 5 hours and 120 km in upstream in 12 hours. Find the speed of boat in still water.
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 moving upstream takes 8 hours 48 minutes to cover a distance while it takes 4 hours to return to the starting point, downstream. What is the rati...
The time taken by the boat to cover (d+130) km distance in downstream is 1.9 hours less than the time taken by the same boat to cover (d-45) km distance...
Motor boat covers a certain distance downstream in a river in 5 hours. It covers the same distance upstream in 7 and half an hour. If the speed of the w...
