Question
Which layer of the Earth's atmosphere contains the ozone
layer?Solution
The ozone layer is located in the stratosphere , which absorbs and protects us from harmful UV radiation.
- If the edge of the cube is increased by 100%, then find the percentage increase in the volume of the cube.
Four cubes, each having a side of 6 cm, are placed next to each other in a straight line. What will be the total surface area of the resulting cuboid?
If the area of square is 441 cm² and the breadth of rectangle is 20% more and the length is 50% more than the side of the square, then find the the a...
An edge of a variable cube is increasing at the rate of 2 cm/s. How fast is the volume of the cube increasing when the edge is 12 cm long?
A can do a certain work in 12 days, B alone can do the same work in 16 days. A and B undertook to complete it in Rs. 8000. With the help of C, they comp...
If tan θ + cot θ = 5, then the value of tan2 θ + cot2 θ + 2tan2 60° is:
The perimeter of a square and a rectangle is in the ratio of 16:15. The square has an area of 256 cm², and the length of the rectangle is 12.5% greater...
The sum of the perimeters of a square and a rectangle is 132 metres. If the sum of the length and breadth of the rectangle is 34 cm, then find the area ...
The breadth of a rectangle is increased by 10 cm, it will become twice the length of the rectangle. If the new perimeter is 360 cm, then find the origin...
Few people dive in a swimming pool of dimensions 25 × 15m. Due to this the water level rises by 4m. If one person displace 2 cubic metre of water. Find...
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