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.
The correct answer is D
The perimeter of a square field is 10 cm more than the perimeter of a rectangle. The length of the rectangle is 60 cm which is 80% of its width. If a st...
A cylinder is inscribed in a sphere. The radius of the sphere is 4/5 times the height of the cylinder. What is the ratio of the volume of the cylinder t...
The volume of water measured on a rectangular field 400m `xx` 200m is 8000 . Find the depth (amount) of rain that has fallen.
If the area of a triangle is 864 cm2 and base: corresponding altitude is 3:4, then the altitude of the triangle is:
On a rectangular wall of length 24 metres and height 19 metres, there is a window in the shape of triangle surmounted on a square. If the base of triang...
A cuboid has dimensions 6 cm, 8 cm, and 10 cm. What is the length of the diagonal of the cuboid?
A semicircular sheet of metal of diameter 20cm is bent into an open conical cup. the capacity of the cup is. Use π = 22/7 (in cm 3 )
There's a cone of height 12cm out of which a smaller cone with the same vertex and vertical axis is cut out. What is the ratio of the volume of the larg...
The area of a square is 441 square centimeters whose side is half the radius of a circle The circumference of a circle is equal to the width of a rectan...
