Questions by Simran

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Ramesh has three

asked Jan 17, 2022 in 8th-maths

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A cube of side 4 cm is painted on all its sides. If it is sliced in 1 cubic cm cubes, then number of such cubes that will have exactly two of their faces painted is

asked Jan 17, 2022 in 8th-maths

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__________ of a solid is the measurement of the space occupied by

asked Jan 17, 2022 in 8th-maths

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Two cylinders of same volume have their radii in the ratio 1:6, then ratio of their heights is

asked Jan 17, 2022 in 8th-maths

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The surface area of a cuboid formed by joining face to face 3 cubes of side x is 3 times the surface area of a cube of side

asked Jan 17, 2022 in 8th-maths

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asked Jan 17, 2022 in 8th-maths

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asked Jan 17, 2022 in 8th-maths

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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

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The radius and height of a cylinder are in the ratio 3:2 and its volume is 19,404 `cm^3`. Find its radius and

asked Jan 17, 2022 in 8th-maths

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A carpenter makes a box which has a volume of 13,400 `cm^3`. The base has an area of 670 `cm^2`. What is the height of the

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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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

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Factorise the following using the identity `a^2 – b^2 = (a + b) (a – b)`. `y^4 –

asked Jan 17, 2022 in 8th-maths

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The following expressions are the areas of rectangles. Find the possible lengths and breadths of these rectangles. `x^2 + 9x +

asked Jan 17, 2022 in 8th-maths

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Perform the following divisions: `(ax^3 – bx^2 + cx) -: (–

asked Jan 17, 2022 in 8th-maths

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Factorise the expressions and divide them as directed: `(3x^4 – 1875) -: (3x^2 –

asked Jan 17, 2022 in 8th-maths

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The area of a square is `9x^2 + 24xy + 16y^2`. Find the side of the

asked Jan 17, 2022 in 8th-maths

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The area of a circle is given by the expression `πx^2 + 6πx + 9π`. Find the radius of the

asked Jan 17, 2022 in 8th-maths

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Verify the following: `(ab + bc) (ab – bc) + (bc + ca) (bc – ca) + (ca + ab) (ca – ab) =

asked Jan 17, 2022 in 8th-maths

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Verify the following: `(a + b + c) (a^2 + b^2 + c^2 – ab – bc – ca) = a^3 + b^3+ c^3 –

asked Jan 17, 2022 in 8th-maths

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