Question
Humus and the smallest particles of rock form in which
horizonSolution
Humus and the smallest particles of rock from the upper layer of soil called topsoil or A-horizon. ·        It is the layer containing the most nutrients for plants. ·        The roots of most plants are confined to this layer. ·        Humus makes this layer porous and fertile.
The cost of fencing a rectangular field at the rate of Rs. 5/metre is Rs. 450. If the length of the field is 11 metres more than its breadth, then find ...
The volume of a cone is 128Ï€ cubic centimeters. If the radius of the base is 4 cm, find the height of the cone.
A hollow cylindrical tube 20 cm long is made of iron and its external and internal diameters are 8 cm and 6 cm respectively. The volume (in cubic cm) of...
What is the length (in cm) of chord PQ in a circle with a radius of 7 cm, where a diameter AB and non- diameter chord PQ intersect perpendicularly at po...
The length of the rectangle is triple its breadth. If the perimeter of the rectangle is 80 m, then find the area (in m2) of the rectangle.
What is the difference between (in m2) the area of a circular field of radius 21 metres and area of a rectangular piece of land having its di...
Outer diameter of 20 cm long pipe is 25 cm. If the thickness of the metal in the pipe is 1 cm. Find the total surface area of the pipe?
The rectangular park has a length-to-breadth ratio of 8:7. Its perimeter exceeds the perimeter of a square-shaped park by 40 meters. The side length of ...
The base of a right prism is a regular hexagon of side 5 cm. If its height is 12 √3 cm, then its volume (in cm²) is:
Determine the volume of a cone with a curved surface area of 180 cm² and a radius of 6 cm. (Assume π = 3 for calculations.)
