Recent questions tagged #sub

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There are two cuboidal boxes as shown in the adjoining figure. Which box requires the lesser amount of material to

asked Jan 17, 2022 in 8th-maths by Arun (1.7k points)

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A suitcase with measures `80 cm xx 48 cm xx 24 cm` is to be covered with a tarpaulin cloth. How many metres of tarpaulin of width 96 cm is required to cover 100 such

asked Jan 17, 2022 in 8th-maths by nishit (1.8k points)

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Find the side of a cube whose surface area is 600

asked Jan 17, 2022 in 8th-maths by sumit (1.6k points)

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Rukhsar painted the outside of the cabinet of measure `1 m xx 2 m xx 1.5 m`. How much surface area did she cover if she painted all except the bottom of the

asked Jan 17, 2022 in 8th-maths by Arun (1.7k points)

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Daniel is painting the walls and ceiling of a cuboidal hall with length, breadth and height of 15 m, 10 m and 7 m respectively. From each can of paint 100 `m^2` of area is painted. How many cans of paint will she need to paint the

asked Jan 17, 2022 in 8th-maths by nikhil (1.8k points)

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Describe how the two figures at the right are alike and how they are different. Which box has larger lateral surface

asked Jan 17, 2022 in 8th-maths by nishit (1.8k points)

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A closed cylindrical tank of radius 7 m and height 3 m is made from a sheet of metal. How much sheet of metal is

asked Jan 17, 2022 in 8th-maths by krutika (1.7k points)

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The lateral surface area of a hollow cylinder is 4224 `cm^2`. It is cut along its height and formed a rectangular sheet of width 33 cm. Find the perimeter of rectangular

asked Jan 17, 2022 in 8th-maths by purvi (1.8k points)

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

asked Jan 17, 2022 in 8th-maths by nikhil (1.8k points)

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A company packages its milk powder in cylindrical container whose base has a diameter of 14 cm and height 20 cm. Company places a label around the surface ofthe container (as shown in the figure). If the label is placed 2 cm from top and bottom, what is the area of the

asked Jan 17, 2022 in 8th-maths by Simran (1.8k points)

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Find the height of a cuboid whose volume is 275 `cm^3` and base area is 25 `cm^2`

asked Jan 17, 2022 in 8th-maths by nikhil (1.8k points)

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A godown is in the form of a cuboid of measures `60 m xx 40 m xx 30 m`. How many cuboidal boxes can be stored in it if the volume of one box is 0.8 `m^3`

asked Jan 17, 2022 in 8th-maths by Arun (1.7k points)

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A rectangular paper of width 14 cm is rolled along its width and a cylinder of radius 20 cm is formed. Find the volume of the cylinder (Fig 11.45)? (Take `22/7` for

asked Jan 17, 2022 in 8th-maths by Arun (1.7k points)

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A rectangular piece of paper 11 cm × 4 cm is folded without overlapping to make a cylinder of height 4 cm. Find the volume of the

asked Jan 17, 2022 in 8th-maths by nishit (1.8k points)

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Given a cylindrical tank, in which situation will you find surface area and in which situation volume. To find how much it can

asked Jan 17, 2022 in 8th-maths by krutika (1.7k points)

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Given a cylindrical tank, in which situation will you find surface area and in which situation volume. Number of cement bags required to plaster

asked Jan 17, 2022 in 8th-maths by sumit (1.6k points)

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Given a cylindrical tank, in which situation will you find surface area and in which situation volume. To find the number of smaller tanks that can be filled with water from

asked Jan 17, 2022 in 8th-maths by Arun (1.7k points)

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Diameter of cylinder A is 7 cm, and the height is 14 cm. Diameter of cylinder B is 14 cm and height is 7 cm. Without doing any calculations can you suggest whose volume is greater? Verify it by finding thevolume of both the cylinders. Check whether the cylinder with greater volume also has greater surface

asked Jan 17, 2022 in 8th-maths by Arun (1.7k points)

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Find the height of a cuboid whose base area is 180 c`m^2` and volume is 900 cm3

asked Jan 17, 2022 in 8th-maths by sumit (1.6k points)

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A cuboid is of dimensions 60 cm × 54 cm × 30 cm. How many small cubes with side 6 cm can be placed in the given

asked Jan 17, 2022 in 8th-maths by yogita (1.8k points)

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