Question
From a container of Beer, a thief has stolen 25 litres
of beer and replaced it with same quantity of water. He again repeated the same process. Thus in three attempts, the ratio of beer and water became 512 : 217. The initial amount of beer in the container was -Solution
Three cubes of equal volume are joined end to end. Find the surface area of the resulting cuboid if the diagonal of the cube is 7√3cm.
The base of a prism is a triangle with sides 9 cm, 12 cm, and 15 cm, and its height is 20 cm. Find the volume of the prism.
'O' is a point in the interior of an equilateral triangle. The perpendicular distance from 'O' to the sides are Ö 3 cm, 2Ö 3 cm, 5Ö 3 cm. The perimet...
A bus passes two bridges of length 500 m and 325 m in 90 seconds and 60 seconds respectively. The length (in m) of the bus is
A square whose diagonal is 12√ 2cm is made base of the pyramid. if height of the pyramid is 15cm, then what is the total surface area of the pyramid.(...
If x4 + x2 y2 + y4 = 37 and x2 – xy + y2 = 5, then what is the value of xy ?
The weight of a cubic metre metal is 1215 kg. It is melted and cast into a square rod of 9m length. A solid cube of maximum size is taken out from one e...
A cone is parallel to its base in such a way that the volume of the smaller cone is  1/2197 times of the bigger cone. Find the height of the smaller co...
The volume of cone is 1689.6 cm3. If its height is 2.8 cm then find the radius of the cone.
- If the perimeter of a square is 104 cm, what will be its area?
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