HARD
8th Foundation
IMPORTANT
Earn 100

The difference between lateral surface area and total surface area of a cube is 450 cm2. Find the lateral and total surface areas and volume of the cube.

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Important Questions on Mensuration

MEDIUM
8th Foundation
IMPORTANT
The perimeter of a square and the circumference of a circle are equal. If the radius of the circle is r and side of the square is S, then the area of the circle in terms of S is _____.
MEDIUM
8th Foundation
IMPORTANT
The area(in cm2) of a sector of a circle with an angle 45° and radius 3 cm is _____
MEDIUM
8th Foundation
IMPORTANT

In the figure below, O is centre of the circle and OABC is a square. P and Q are the mid-points of OC and OA, respectively. The area of the square(in cm2), if the area of the shaded part is 38.5 cm2, is _____.

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MEDIUM
8th Foundation
IMPORTANT
Find the area(in cm2) of a rhombus whose side is 17 cm and one of its diagonals is 30 cm
MEDIUM
8th Foundation
IMPORTANT
The area of a square and a circle are equal. The radius of the circle is r and the side of the square is S. Find the circumference of the circle in terms of S.
MEDIUM
8th Foundation
IMPORTANT
Find the area of a sector of a circle with an angle of 60° and radius 7 cm(in cm2):
MEDIUM
8th Foundation
IMPORTANT
Find the volume(in cm3) of a sphere which is exactly inserted inside a cube of side 6 cm
MEDIUM
8th Foundation
IMPORTANT
The volume of a cuboid is 3840 cm3and the length of the cuboid is 20 cm. If the ratio of its breadth and its height is 4:3, then the total surface area of the cuboid is _____.