What is the amount of air that can be held by a spherical ball of diameter 14 inches?

A wire when bent in the form of a equilateral triangle encloses an area of 36 √3 sq.cm.Find the area enclosed by the same wire when bent to form a square and a rectangle whose length is 2 cm more than its width.

Volume of one big sphere is equal to the volume of 8 small spheres. Calculate the ratio of volume of big sphere to volume of small sphere.

In the figure, ABCD is a rectangle and PQRS is a square. Find the area of the shaded portion.

A room is 10 m long and 6 m wide. How many tiles of size 20 cm by 10 cm are required to cover its floor?

A Solid is in the form of a right circular cone mounted on a hemisphere. The radius of hemisphere is 3.5 cm and height of the cone is 4 cm . The solid is placed in a cylindrical vessel , full of water , in such a way that the whole solid is submerged in water. If the radius of cylindrical vessel is 5 cm and its height is 10.5 cm . Find the volume of water left in the cylindrical vessel

A path of uniform width 4m runs around the outside a rectangular field 24m by 18 m.Find the area of the path ?

The perimeter of a rectangle is 28 cm and its length is 8 cm. Find its:
(i) breadth (ii) area

How many square tiles of the side 20 cm will be needed to pave a footpath which is 2 m wide and surrounds a rectangular plot 40 m long and 22 m wide.

A circle has a diameter of 120 metres. Your average walking speed is 4 kilometres per hour. How many minutes  will it take you to walk around the boundary of the circle 3 times? Round your answer to the nearest integer.

Find the total area in the given figure.

As per the given diagram, rectangles EFGC is in rectangular shape. However, all sides of rectangles EFGC are equal to 30 units, making it a square.
Although final answer remains the same, we should ideally consider it to be a square and solve accordingly.

A rectangular parking lot is 90 yards long and 35 yards wide. It costs about $.45 to pave each square foot of the parking lot with asphalt. About how much will it cost to pave the parking lot?

A person is standing exactly at the centre of a circle. The distance of the person from the boundary of the circle is 3 ft. Find the area of the circle.

The length and breadth of a rectangular plot are in the ratio 3: 1 and its perimeter is 128 m. Find the area of the plot ?

Find the cost of fencing a square park with 16 m side if the cost of fencing is $16/m.

If the area of a triangle is 77 m2 and its height is m, find the length of its base