Question
Parthenium hysterophorus (Congress grass) can be
controlled by:Solution
Zygogramma bicolorata : Biologically control Parthenium hystophorus.
Speed of a boat in still water is 6 times more than the speed of stream. If boat covers 144 km in downstream in 9 hours, then find the time taken by the...
A boat can travel 18 km more in downstream than that in upstream, in 9 hours while the difference between the time taken by the same boat to travel 200 ...
Speed of a boat in still water is 15 kmph and speed of stream is 12 kmph. A man rows to a place at a distance of 54 km and come back to starting point. ...
Speed of boat is 20 km/hr. Speed of the stream is 20% less than speed of boat. Then find time taken by boat to go 72 km downstream?
Speed of a boat in still water to speed of boat in upstream is 12:7. If the boat can travel 340 km in downstream in 5 hours, then find the time taken by...
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...
Ratio of speed of boat in downstream and speed of stream is 7:5, if speed of current is 5 km/hr, then find distance travelled (in km) upstream in 4 hours.
A boat covers 150 km downstream in the same time it takes to cover 90 km upstream. If the speed of the stream is 5 km/h, determine the speed of the boat...
Speed of a boat in still water is 5 times more than the speed of stream. If boat covers 147 km in downstream in 7 hours, then find the time taken by the...
Speed of a boat in still water to speed of boat in upstream is 13:10. If the boat can travel 320 km in downstream in 5 hours, then find the time taken b...
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