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The per cent of pure gold in 14 carat gold is about 58.3%. A 14 carat gold ring weighs 7.6 grams. How many grams of pure gold are in the

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

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If x and y are directly proportional and when x = 13, y = 39, which of the following is not a possible pair of corresponding values of x and y

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

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If two cardboard boxes occupy 500 cubic centimetres space, then how much space is required to keep 200 such

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

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By travelling at a speed of 48 kilometres per hour, a car can finish a certain journey in 10 hours. To cover the same distance in 8 hours, the speed of the car should

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

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100 persons had food provision for 24 days. If 20 persons left the place, the provision will last

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

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If x = 5y, then x and y vary ______ with each

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

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When two quantities x and y are in _______ proportion or vary ______ they are written as `x prop

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

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Both x and y are said to vary ______ with each other if for some positive number k, xy =

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

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Two quantities are said to vary ______ with each other if they increase (decrease) together in such a manner that the ratio of their corresponding values remains

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

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If two quantities x and y vary directly with each other, then ______ of their corresponding values remains

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

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Two quantities x and y are said to vary directly with each other if for some rational number k, xy =

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

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If x and y are in inverse proportion, then (x + 1) and (y + 1) are also in inverse

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

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If one angle of a triangle is kept fixed then the measure of the remaining two angles vary inversely with each other. 54. When two quantities are related in such a manner that, if one increases, the other also increases, then they always vary

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

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A metal sheet 27 cm long, 8 cm broad and 1 cm thick is melted into a cube. The side of the cube

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

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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 by vaibhav (1.7k points)

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A cube of side 5 cm is cut into 1 cm cubes. The percentage increase in volume after such cutting is

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

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If the diagonals of a rhombus get doubled, then the area of the rhombus becomes __________ its original

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

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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 by vaibhav (1.7k points)

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If the diagonal d of a quadrilateral is doubled and the heights `(h_1)` and `(h_2)` falling on d are halved, then the area of quadrilateral is

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

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