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All six faces of a cuboid are __________ in shape and of ______

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

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Volume of a cylinder with radius h and height r is

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

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__________ surface area of room = area of 4

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

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A cube of side 3 cm painted on all its faces, when sliced into 1 cubic centimetre cubes, will have exactly 1 cube with none of its faces

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

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Ratio of area of a circle to the area of a square whose side equals radius of circle is 1 :

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

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Find the perimeter of the given figure.

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

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Find the area of the shaded portion in the following

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

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

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How many cubic metres of earth must be dug to construct a well 7 m deep and of diameter 2.8

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

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The thickness of a hollow metallic cylinder is 2 cm. It is 70 cm long with outer radius of 14 cm. Find the volume of the metal used in making the cylinder, assuming that it is open at both the ends. Also find its weight if the metal weighs 8 g per

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

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A wooden box (including the lid) has external dimensions 40 cm by 34 cm by 30 cm. If the wood is 1 cm thick, how many `cm^3` of wood is used in

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

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A river 2 m deep and 45 m wide is flowing at the rate of 3 km per hour. Find the amount of water in cubic metres that runs into the sea per

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

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A truck carrying 7.8 `m^3` concrete arrives at a job site. A platform of width 5 m and height 2 m is being contructed at the site. Find the length of the platform, constructed from the amount of concrete on the

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

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A swimming pool is 200 m by 50 m and has an average depth of 2 m. By the end of a summer day, the water level drops by 2 cm. How many cubic metres of water is lost on the

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

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A housing society consisting of 5,500 people needs 100 L of water per person per day. The cylindrical supply tank is 7 m high and has a diameter 10 m. For how many days will the water in the tank last for the

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

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Metallic discs of radius 0.75 cm and thickness 0.2 cm are melted to obtain 508.68 `cm^3` of metal. Find the number of discs melted (use π =

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

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The following expressions are the areas of rectangles. Find the possible lengths and breadths of these rectangles. `x^2 + 19x –

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

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The following expressions are the areas of rectangles. Find the possible lengths and breadths of these rectangles. `51x^3y^2z -:

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

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The following expressions are the areas of rectangles. Find the possible lengths and breadths of these rectangles. `–121p^3q^3r^3 -:

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

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Perform the following divisions: `(– qrxy + pryz – rxyz) -: (–

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

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