# Class 8 Assignments for Mensuration-3 Questions Exam Paper (For CBSE, ICSE, IAS, NET, NRA 2022)

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Question 1

There are two cuboidal whose dimensions are given below, which box requires the higher amount of material to make?

Cuboid A:

Cuboid B:

Question 2

Three cubes, each of edge 2 cm. long are placed together, find the total surface area of the cuboid so formed?

Question 3

Find the side of a cube whose surface area is 2400

Question 4

Meghna painted the outside of the cabinet of measure 2.5 m. How much surface area did she cover if she painted all except the bottom of the cabinet and back side?

Question 5

Ahmed is painting the walls and ceiling of a cuboidal hall with length. Breadth and height of 25 m, 12 m and 8m respectively. From each can of paint 200 m2 of area is painted. How cans of paint will she need to paint the room?

Question 6

A open cylindrical tank of radius 14 m and height 3 m Is made from a sheet of metal. How much sheet of metal is required?

Question 7

The lateral surface area of a hollow cylinder is 4224 . It is cut along its height and formed a rectangular sheet of width 33 cm. find the perimeter of rectangular sheet?

Question 8

A road roller takes 750 complete revolutions to move once over to level a road. Find the area of the road if the perimeter of road o 84 cm and length is 1 m.

Question 9

A rectangular sheet of metal foil is 88 cm. long and 20 cm. wide. A cylinder is made out of it] by rolling the foil along width. Find the volume of the cylinder.

Question 10

The perimeter of the floor of a hall is 250 m. if the height is 4 cm, find the cost of painting the four walls at the rate of ₹ 12 per square meter.

Question 11

How many times do the volume and surface area of a cube increase if its edges get tripled?

Question 12

How many times do the volume and surface of the cylinder increase if its radius doubled and height remains same?

Question 13

How many times do the volume and surface of the cylinder increase if its radius remains same and height is doubled?

Question 14

The height of a cylinder is 15 cm. and curved surface area is 660 . Find the radius of the cylinder.

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