The average presence of students of a class in a College on Monday, Tuesday and Wednesday is 32 and on the Wednesday, Thursday, Friday and Saturday is 3...
If the lateral surface area of a regular tetrahedron is 243√3 cm², find its volume.
The length, breadth and height of a storeroom are 12m, 9m and 10m respectively. If each box occupies 60 m3 of space, then how many boxes can ...
B invests 30% of his monthly salary on Travelling and 20% of remaining on Food. Again, he invested 25% of the remaining (after travelling and food expen...
The side of a cube is 4m more than the side of a square. If the ratio of lateral surface area of the cube and the area of the square is 9:1, then what w...
The volume of a hemisphere is 2425 (1/ 2) cm3 . Find its radius (Take p = 22/7)
The area of the rectangular field is 480 m² and its perimeter is 88 m. Find how much percent less the breadth of the field is compared to the length of...
The outer radius of a hollow metallic spherical ball is 12cm while the thickness of the metal used to make it is 8 cm. Find the volume of the metal used...
A circular garden has an inner radius of 21 metres. A path of width 14 metres surrounds the garden. Find the cost of paving the path at the rate of Rs....
The volume of cone is 1689.6 cm3. If its height is 2.8 cm then find the radius of the cone.