Question
The most abundant element in the Earth’s crust is:
Solution
Oxygen constitutes ~46.6% of the crust by weight, followed by silicon (27.72%).
Calculate the perimeter of a circular field with an area of 3675 square meters, using an approximation of π as 3.
Each side of square ‘A’ is 6 cm less than that of square ‘B’. The perimeter of a rectangle is 4 times the difference of the perimeters of the tw...
If sin (A + B) = cos (A + B), what is the value of tan A?
Area of a rectangle is equal to the total surface area of a hemisphere having volume 5488 cm³ . Find the perimeter of the rectangle if its length is 12...
A cylinder 84 cm long is made of steel. Its external and internal diameters are 10 cm and 8 cm respectively. What is the volume of the steel in the cyli...
The difference between the length and breadth of a rectangle is 13 m. If its perimeter is 186 m, then its area is
Perimeter of a rectangle is 40% more than that of a square of side 40 cm. If difference between length and breadth of the rectangle is 8 cm, then find t...
Given that a cylinder has a curved surface area of 880 cm² and a radius of 10 cm, calculate the volume of the cylinder.
There is a carpet of length 20 m. How many small pieces of carpet, each of length 4 m, can be cut out of it?
- 'A hall has a floor covered with rectangular tiles, each measuring 90 cm by 50 cm. The hall’s dimensions are 720 cm in length and 3 meters in width. Find...
