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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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Two cylinders with equal volume will always have equal surface

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

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The surface area of a cube formed by cutting a cuboid of dimensions `2 xx 1 xx 1 in 2` equal parts is 2 sq.

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

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The area of a trapezium with equal non-parallel sides is 168 `m^2`. If the lengths of the parallel sides are 36 m and 20 m, find the length of the non-parallel

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

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Find the perimeter of the given figure.

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

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Find the area of the shaded portion in the following

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

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

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

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Find the volume of each of the given figure if volume = base area `xx`height.

asked Jan 17, 2022 in 8th-maths by sumit (1.6k 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 nikhil (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 krutika (1.7k 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 nikhil (1.8k points)

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The following expressions are the areas of rectangles. Find the possible lengths and breadths of these rectangles. `17ab^2c^3 -:

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

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`(-5/7)^(-5)` is equal

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

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The value of `(7^(–1) – 8^(–1))^(–1) – (3^(–1) – 4^(–1))^(–1)`

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

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For any two non-zero rational numbers x and y, `x^4 -: y^4` is equal

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

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Simplify: -1. `(1/4)^(-2) + (1/2)^(-2) +

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

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Some migratory birds travel as much as 15,000 km to escape the extreme climatic conditions at home. Write the distance in metres using scientific

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

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For each hook-up, determine whether there is a single repeater machine that will do the same work. If so, describe or draw it (a) (b) (c) (d)(e)

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

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