Question
Which method of plant disease management involves
eliminating or inactivating disease organisms after their establishment?Solution
Explanation: Eradication involves eliminating or inactivating disease organisms after they have established themselves.
A man is travelling at a speed of 30 km/h such that he will take 70 minutes to reach his destination. But after completing half the journey, the man too...
In a 500-metre race, ‘A’ beats ‘B’ by 10 seconds or 50 metres. Find the time taken by ‘B’ to finish the race.
Travelling at a speed of 54 km/h, Chaman reaches a place 3 minutes early. If he had travelled at a speed of 48 km/h, he would have been 1 minute late. W...
A man leaves point 'C' at 6:00 AM walking at 6 km/h. A scooter starts from 'C' at 8:00 AM and travels in the same direction at 36 km/h. When will the sc...
- A cyclist travelling at three-fourths of his usual speed takes 12 minutes longer than his usual time to cover a certain distance. Calculate the usual time ...
A car running with a speed of ‘x’ m/sec makes 5 rounds of a circular field having radius 42 metres, in 10 seconds. Find the time taken by car to cov...
Speed of a car and a bus is 25 km/h and 15 km/h, respectively. If the time taken by the car to cover a distance of ‘8x’ km is 1 hour less than time ...
- A bus leaves town 'X' at 9:30 AM heading towards 'Y' at a speed of 50 km/h. A van starts from the same place at 11:00 AM towards 'Y' at 70 km/h. At what ti...
A car is pursuing a bike that is 220 km away. The bike travels at a speed of 15 km/hr, while the car travels at three times the speed of the bike. How l...
A carriage travelling in fog passed along a man who was walking @ 6 km/hr in the same direction. He could see the carriage for 8 minutes and it was visi...
Relevant for Exams:
