Question
If the surface areas of two spheres are in the ratio of
4 : 25, then find the ratio of their volumes.Solution
The correct answer is C
The volume of a cube is 2744 cm 3 in which a maximum possible size of circle is drawn on each face. The circle drawn on each face of the ...
A rectangular ground is 90 metre long and 70 metre broad. If two 10 metre wide paths one parallel to the breadth and one parallel to the length, of the�...
If the ratio of areas of two circle is 9:25, then the ratio of their circumferences will be:
The cost of fencing a rectangular garden at Rs. 10/metre is Rs. 1000. If the ratio of the length to breadth is 3:2, find the area of the garden.
- The total surface area of a cylindrical pipe is 6,160 cm², and its radius is 22 cm. If the height of the cylinder is written as (k - 5), calculate the val...
The ratio of volumes of spheres A and B is 8:27. If the difference between their total surface area is 3080 cm² then find diameter of sphere A. (in cm)...
- The inner radius of a hollow cylindrical tank is 6 cm. If the height of the tank and the thickness of the walls are 25 cm and 3 cm, respectively, calculate...
In a right-angled triangle, the hypotenuse is 13 cm and one of the legs is 5 cm. What is the area of the triangle?
The perimeter of a rectangle is 64 meters, and the ratio of its length to its breadth is 9:7. What is the area of the rectangle?
Two wires A and B are made of the same material and have the same length but different cross-sectional areas. If the resistance of wire A is 9 times the...
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