Questions by krutika

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A boy is cycling such that the wheels of the cycle are making 140 revolutions per hour. If the diameter of the wheel is 60 cm, calculate the speed in km/h with which the boy is

asked Jan 17, 2022 in 8th-maths

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asked Jan 17, 2022 in 8th-maths

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How many cubes each of side 0.5 cm are required to build a cube of volume 8 `cm^3`

asked Jan 17, 2022 in 8th-maths

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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

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How many faces does each of the following solids, have? (a) Tetrahedron (b) Hexahedron (c) Octagonal Pyramid (d)

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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Count the number of cubes in the given shapes.

asked Jan 17, 2022 in 8th-maths

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Count the number of cubes in the given shapes.

asked Jan 17, 2022 in 8th-maths

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Count the number of cubes in the given shapes.

asked Jan 17, 2022 in 8th-maths

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Draw the front, side and top view of the given shapes.

asked Jan 17, 2022 in 8th-maths

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Draw the front, side and top view of the given shapes.

asked Jan 17, 2022 in 8th-maths

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Draw the front, side and top view of the given shapes.

asked Jan 17, 2022 in 8th-maths

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Check whether a polyhedron can have V = 12, E = 6 and F =

asked Jan 17, 2022 in 8th-maths

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The actual length of a painting was 2 m. What is its length in the photograph if the scale used is 1 mm : 20 cm.

asked Jan 17, 2022 in 8th-maths

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Which of the following is an

asked Jan 17, 2022 in 8th-maths

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The representation of an expression as the product of its factors is called

asked Jan 17, 2022 in 8th-maths

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The product of a monomial and a binomial is

asked Jan 17, 2022 in 8th-maths

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The factors of `x^2 – 4`

asked Jan 17, 2022 in 8th-maths

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The value of `(2x^2 + 4) -: 2`

asked Jan 17, 2022 in 8th-maths

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The value of `(a + b)^2 + (a – b)^2`

asked Jan 17, 2022 in 8th-maths

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