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The population of a town was decreasing every year due to migration, poverty and unemployment. The present population of the town is 6,31,680. Last year the migration was 4% and the year before last, it was 6%. What was the population two years

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

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A dining table is purchased for Rs 3,200 and sold at a gain of 6%. If a customer pays sales tax at the rate of 5%. How much does the customer pay in all for the

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

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A lady bought an air-conditioner for Rs 15,200 and spent Rs 300 and Rs 500 on its transportation and repair respectively. At what price should she sell it to make a gain of

asked Jan 17, 2022 in 8th-maths by Simran (1.8k 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 purvi (1.8k 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 Arun (1.7k 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 nikhil (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 nikhil (1.8k points)

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The area of cultivated land and the crop harvested is a case of direct

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

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In a camp, there is enough flour for 300 persons for 42 days. How long will the flour last if 20 more persons join the

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

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From the following table, determine if x and y are in direct proportion or not. x 3 6 15 20 30 y 12 24 45 60 120

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

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A swimming pool can be filled in 4 hours by 8 pumps of the same type. How many such pumps are required if the pool is to be filled in `2 2/3`

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

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A volleyball court is in a rectangular shape and its dimensions are directly proportional to the dimensions of the swimming pool given below. Find the width of the pool.

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

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The students of Anju’s class sold posters to raise money. Anju wanted to create a ratio for finding the amount of money her class would make for different numbers of posters sold. She knew they could raise Rs 250 for every 60 posters sold. (a) How much money would Anju’s class make for selling 102 posters? (b) Could Anju’s class raise exactly Rs 2,000? If so, how many posters would they need to sell? If not,

asked Jan 17, 2022 in 8th-maths by nishit (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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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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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 cube whose edge is 3x

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

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The perimeter of a trapezium is 52 cm and its each non-parallel side is equal to 10 cm with its height 8 cm. Its area

asked Jan 17, 2022 in 8th-maths by nishit (1.8k 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 Arun (1.7k points)

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The ratio of radii of two cylinders is 1: 2 and heights are in the ratio 2:3. The ratio of their volumes

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

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