Question
Which pest poses a major threat to tobacco crops,
causing leaf damage by feeding on the foliage, and how is this pest managed effectively?Solution
The tobacco caterpillar is a major pest that damages leaves. Effective management includes using insecticides and pheromone traps.
The time taken by pipe B3 alone to fill an empty tank completely is half of the time taken by pipe B1 alone to fill the same tank completely. Pipe B2 al...
A Tank has two pipes one can fill it with water in 16 hours and other can empty it in 10 hours. In how many hours will the Tank be emptied if both the p...
Pipe βAβ can fill a tank in 30 hours whereas leak βAβ can empty it in 50 hours. If they both operate along with pipe βBβ, then the given tan...
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Two inlet pipes 'A' and 'B' can fill an empty tank in 15 minutes and 20 minutes, respectively. Another outlet pipe 'C' can empty the tank in 60 minutes....
Pipe βAβ takes 25 minutes to fill a tank. Pipe βBβ takes 40 minutes to empty the same tank. If pipe βBβ is opened 16 minutes after pipe βA...
Tap A can fill a tank in 15 hours. Tap B can fill 20% part of the same tank in 4 hours, whereas Tap C can alone empty a tank in βxβ hours. 2/5 part ...
Tap A can fill a tank in 20 hours and tap B can emptied it is 25 hours. Tap A starts filling and they opened for 1 hour each alternatively in what time ...
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