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On a rectangular wall of length 35 metres and height 30 metres, there is a window in the shape of triangle surmounted on a square. If the base of triang...
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?
The length of the side of a cube is 5.6 cm. What is the volume of the largest sphere that can be taken out of the cube?
Each interior angle of a regular polygon is 140°. Then find out how many diagonals are there?
The area of a triangle is 96 cm² and its perimeter is 48 cm. Find the in-radius (radius of the inscribed circle) of the triangle.
A cylindrical tank has a radius of 7 meters and a height of 10 meters. Find the volume of the tank in cubic meters.
Angle bisectors of Q and R meet at point S, inside the triangle PQR. If angle QSR = 120˚ , then the measure of angle P is:
Bala travels first one-third of the total distance at the speed of 10 km/h and the next one-third distance at the speed of 20 km/h and the last one – ...
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...
Curved surface area of cylinder is 646.8 cm2. If ratio of radius to height of the cylinder is 10:4 respectively, then find the base area of t...