Question
Which of the following sentence is/are correct about
crop rotation? 1. Crop rotation helps return nutrients to the soil without synthetic inputs. 2. Crop rotation is the practice of planting different crops sequentially on the same plot of land to improve soil health 3. Crop rotation deteriorates the soil structure as same nutrients are used time and time again.Solution
The correct answer is D
In a 1000-metre race, 'Ravi' beats 'Shyam' by '200' metres and 'Raj' by '300' metres. If 'Shyam' and 'Raj' participate in a 400-metre race, and 'Raj' ge...
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...
Identify the cases where two objects moving in opposite directions have a relative speed of 30 km/h.
A train takes 30 minutes to travel 20 km, but due to maintenance, its speed is reduced by 25% for the next 10 km. Find the total time taken by the train...
A bus travels from point ‘X’ to ‘Y’ at a constant speed. If its speed was increased by 15 km/h, it would have taken 2 hours less to cover the di...
The distance between points X and Y is in the ratio of 16:9 compared to the distance between points Y and Z. A person P travels f...
- In a 800 metres race, Tanya beats Ravi by 160 metres and Sumit by 240 metres. By how many metres does Ravi beat Sumit in the same race?
A train covers a distance of 490 km at the speed of 70 kmph in 10 hrs. If the train halted at a spot in the middle of the journey, for how much time di...
How far will 'Raj' travel by the time he catches up to 'Amit', given that 'Raj' starts 120 km behind and moves at 50 km/h while 'Amit' moves at 40 km/h?
A train passes two people who are walking in the opposite direction of the train at the rates of 4 m/s and 10 m/sec in 12 seconds and 10 seconds respect...
Relevant for Exams:
