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Flacharie in silkworms is characterized by black discoloration and a foul smell. It is caused by a bacterial infection that rapidly proliferates in the larval body.
Speed of a boat in still water is 6 times more than the speed of stream. If boat covers 112 km in downstream in 8 hours, then find the time taken by the...
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. ...
The speed of a boat in still water is twice the speed of the current. The difference between downstream and upstream speeds is 16 km/h. If the boat spen...
The speed of a boat in still water is 30 km/hr. If the boat covers 160 km in upstream in 8 hours, then find the time taken by the boat to travel 120 km ...
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 ...
A man can row at a speed of 64 km/h in still water to a certain upstream point and back to the starting point in a river which flows at 8 km/h. Find his...
A boat traveled a distance of 135 km from point 'A' to point 'B' and then returned to point 'A,' completing the entire journey in 54 hours. The boat's s...
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 a total downstream distance of 180 km, split into two equal parts. The boat’s speeds in these two parts are 2a km/h and 4a km/h respecti...