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Raman gave a certain amount to his son Ritesh for buying some pens and pencils. With this amount Ritesh can purchase either 10 pens or 30 pencils. Rites...
A solid sphere has a radius of 7 cm. A hemisphere is removed from the sphere. What is the volume of the remaining part of the sphere?
Curved surface area of cylinder is 1617 cm2. If ratio of radius to height of the cylinder is 25:21 respectively, then find the base area of t...
The lateral surface area of a cube is 100 cm2 . The length of a cuboid is 40% more than the side of the cube. The breadth of the cuboid is 6...
If the area of a square is 144 cm² and the breadth of a rectangle is 20% more and the length is 50% more than the side of the square, then find the rat...
The monthly salary of a person was Rs 50,000. He used to spend on three heads- personal and family expenses (E), taxes (T), philanthropy (P), and rest ...
The ratio of males and females in a zoo is 6:7 respectively and the percentage of children among males and the percentage of children among females are ...
In measuring the sides of a rectangle, there is an excess of 7% on one side and 4% deficit on the other. Then the error percent in the area is
Mr. Arun rows a boat with the stream at 10 km/hr and against the stream in 5 km/hr. In still water, his rate of rowing in km/h is:
A right cylindrical pillar has a radius of 24 cm and a height of 63 cm. If the cost of painting is Rs. 15 per square centimeter, what would be the tota...