Question
Which of the following is not a principle of plant
disease control?Solution
The correct answer is D
B and C are standing on point Q and P respectively, which are 300km apart. A starts moving to and from between Q and P at 25km/hr while A starts moving ...
Two runners A and B stand at opposite ends M and N of a straight track. A begins toward N at (x – 6) km/h. Four hours later, B starts toward M at (x +...
Speed of a car and a bus is 24 km/h and 14 km/h, respectively. If the time taken by the car to cover a distance of ‘8x’ km is 1 hour less than time ...
A car travels from town A to town B at 60 km/h and returns from B to A at 40 km/h. What is the average speed for the whole journey?
- A sphere has a diameter of 35 cm. Find its total surface area.
Suniti goes to gym at a speed of 3 km/hr and returns back at a speed of 5 km/hr. If she takes 8 hrs in all. Find the distance between her home and gym.
A man travels one-third of a journey at 40 km/h, one-fourth of the journey at 60 km/h and the remaining distance at 100 km/h. If the total distance is 2...
Vicky and Vikram start running simultaneously around a rectangular track of length 500m from the same point at speeds of 30 km/hr and 20 km/hr. When wil...
Determine the distance covered by the dog in 2 hours and 30 minutes if the dog's speed is 15 km/h faster than the cow's. The time it takes for the cow t...
Train P starts from Lucknow to Dehradun at 11:55 am with an average speed of 25.5 m/s. Train Q starts from Dehradun to Lucknow at 1:35 pm with an averag...
