Questions by sumit

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The areas of any two faces of a cuboid are

asked Jan 17, 2022 in 8th-maths

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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

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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

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asked Jan 17, 2022 in 8th-maths

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Radius of a cylinder is r and the height is h. Find the change in the volume if the (a) height is doubled. (b) height is doubled and the radius is halved. (c) height remains same and the radius is

asked Jan 17, 2022 in 8th-maths

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External dimensions of a closed wooden box are in the ratio 5:4:3. If the cost of painting its outer surface at the rate of Rs 5 per d`m^2` is Rs 11,750, find the dimensions of the

asked Jan 17, 2022 in 8th-maths

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Look at the shapes given below and state which of these are polyhedra using Euler’s formula.

asked Jan 17, 2022 in 8th-maths

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Draw the net of a regular hexahedron with side 3 cm. (Hint: Regular hexahedron -

asked Jan 17, 2022 in 8th-maths

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Find the number of cubes in the base layer of the following figure.

asked Jan 17, 2022 in 8th-maths

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An identity is true for all values of its

asked Jan 17, 2022 in 8th-maths

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The area of a rectangle is `x^2 + 12xy + 27y^2` and its length is (x + 9y). Find the breadth of the

asked Jan 17, 2022 in 8th-maths

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Find the value of x, if `10000x = (9982)^2 – (18)^2`sss

asked Jan 17, 2022 in 8th-maths

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Product of the following monomials 4p, `– 7q^3`, –7pq

asked Jan 17, 2022 in 8th-maths

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Area of a rectangle with length 4ab and breadth `6b^2`

asked Jan 17, 2022 in 8th-maths

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The common factor of 3ab and 2cd

asked Jan 17, 2022 in 8th-maths

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The factorised form of 3x – 24

asked Jan 17, 2022 in 8th-maths

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The value of `(3x^3 +9x^2 + 27x) -: 3x`

asked Jan 17, 2022 in 8th-maths

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The product of two polynomials is a

asked Jan 17, 2022 in 8th-maths

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The coefficient of the term `– 6x^2y6^2` is `–

asked Jan 17, 2022 in 8th-maths

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Some of the factors of `n^2/2+n/2` are `1/2`, n and

asked Jan 17, 2022 in 8th-maths

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