Recent questions tagged chapter11

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160 `m^3` of water is to be used to irrigate a rectangular field whose area is 800 `m^2`. What will be the height of the water level in the

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

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Find the area of a rhombus whose one side measures 5 cm and one diagonal as 8

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

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The parallel sides of a trapezium are 40 cm and 20 cm. If its non-parallel sides are both equal, each being 26 cm, find the area of the

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

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Find the area of polygon ABCDEF, if AD = 18cm, AQ = 14 cm, AP = 12 cm, AN = 8 cm, AM = 4 cm, and FM, EP, QC and BN are perpendiculars to diagonal

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

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A cube of side 5 cm is painted on all its faces. If it is sliced into 1 cubic centimetre cubes, how many 1 cubic centimetre cubes will have exactly one of their faces

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

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A cube of side 4 cm is cut into 1 cm cubes. What is the ratio of the surface areas of the original cubes and cut-out

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

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A circle of maximum possible size is cut from a square sheet of board. Subsequently, a square of maximum possible size is cut from the resultant circle. What will be the area of the final

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

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What is the area of the largest triangle that can be fitted into a rectangle of length l units and width w

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

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If the height of a cylinder becomes `1/4` of the original height and the radius is doubled, then which of the following will be

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

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If the height of a cylinder becomes `1/4` of the original height and the radius is doubled, then which of the following will be

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

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If the height of a cylinder becomes `1/4` of the original height and the radius is doubled, then which of the following will be

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

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The surface area of the three coterminus faces of a cuboid are 6, 15 and 10 `cm^2` respectively. The volume of the cuboid

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

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A regular hexagon is inscribed in a circle of radius r. The perimeter of the regular hexagon

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

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The dimensions of a godown are 40 m, 25 m and 10 m. If it is filled with cuboidal boxes each of dimensions `2 m xx 1.25 m xx 1 m`, then the number of boxes will

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

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The volume of a cube is 64 `cm^3`. Its surface area

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

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If the radius of a cylinder is tripled but its curved surface area is unchanged, then its height will

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

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How many small cubes with edge of 20 cm each can be just accommodated in a cubical box of 2 m

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

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The volume of a cylinder whose radius r is equal to its height

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The volume of a cube whose edge is 3x

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

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The figure ABCD is a quadrilateral in which AB = CD and BC = AD. Its area is

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

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