Questions by nishit

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Both u and v vary directly with each other. When u is 10, v is 15, which of the following is not a possible pair of corresponding values of u and

asked Jan 17, 2022 in 8th-maths

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Meenakshee cycles to her school at an average speed of 12 km/h and takes 20 minutes to reach her school. If she wants to reach her school in 12 minutes, her average speed should

asked Jan 17, 2022 in 8th-maths

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Two quantities are said to vary ______ with each other if an increase in one causes a decrease in the other in such a manner that the product of their corresponding values remains

asked Jan 17, 2022 in 8th-maths

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If the thickness of a pile of 12 cardboard sheets is 45 mm, then the thickness of a pile of 240 sheets is _______

asked Jan 17, 2022 in 8th-maths

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In direct proportion, `(a_1)/(b_1)` __________

asked Jan 17, 2022 in 8th-maths

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If 45 persons can complete a work in 20 days, then the time taken by 75 persons will be ______

asked Jan 17, 2022 in 8th-maths

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If x varies inversely as y and when x = 6, y = 8, then for x = 8 the value of y is

asked Jan 17, 2022 in 8th-maths

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l varies directly as m and l is equal to 5, when m = `2/3` . Find l when m = `16/3`

asked Jan 17, 2022 in 8th-maths

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If Naresh walks 250 steps to cover a distance of 200 metres, find the distance travelled in 350

asked Jan 17, 2022 in 8th-maths

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If a and b vary inversely to each other, then find the values of p, q, r ; x, y, z and l, m, n. a 2 y 6 10 b x 12.5 15 z

asked Jan 17, 2022 in 8th-maths

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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

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Two cubes have volumes in the ratio 1:64. The ratio of the area of a face of first cube to that of the other

asked Jan 17, 2022 in 8th-maths

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The curved surface area of a cylinder is reduced by ____________ per cent if the height is half of the original

asked Jan 17, 2022 in 8th-maths

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The volume of a cylinder which exactly fits in a cube of side a is

asked Jan 17, 2022 in 8th-maths

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The surface area of a cylinder which exactly fits in a cube of side b is

asked Jan 17, 2022 in 8th-maths

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Volume of a cylinder with radius h and height r is

asked Jan 17, 2022 in 8th-maths

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Find the area of the shaded portion in the following

asked Jan 17, 2022 in 8th-maths

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asked Jan 17, 2022 in 8th-maths

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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

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A hollow garden roller of 42 cm diameter and length 152 cm is made of cast iron 2 cm thick. Find the volume of iron used in the

asked Jan 17, 2022 in 8th-maths

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