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If the radius and height of a right circular cylinder are increased by 22% and 28%, respectively, what is the percentage increase in its volume? (Use π...
The area of a circle is 1.54 cm2. Find the perimeter of the minor sector that is subtended by an angle of 90o. (take π = 22/7)
The length and breadth of a rectangle are increased by 8% and 5%, respectively. By how much percentage will the area of the rectangle increase?
The cost of fencing a rectangular field at the rate of Rs. 8/metre is Rs. 560. If the length of the field is 11 metres more than its breadth, then find ...
If the edge of the cube is increased by 50%, then find the percentage increase in the volume of the cube.
For a positive integer n, 25n – 52n is divisible by:
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...
A sphere of the greatest possible size is enclosed within a cube whose edge length is 28 cm. Calculate the surface area (in cm²) of the sphere. (Take �...
If the circumference of a circle is 264 cm then find the area of the circle?