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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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Assuming land to be uniformly fertile, the area of land and the yield on it

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

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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 by nishit (1.8k points)

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If two quantities x and y vary directly with each other,

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 purvi (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 nikhil (1.8k points)

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When the speed remains constant, the distance travelled is ______ proportional to the

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

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The perimeter of a circle and its diameter vary _______ with each

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

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A car is travelling 48 km in one hour. The distance travelled by the car in 12 minutes is

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

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

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

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(i) Number of students in a hostel and consumption of food. (ii) Area of the walls of a room and the cost of white washing the walls. (iii) The number of people working and the quantity of work. (iv) Simple interest on a given sum and the rate of interest. (v) Compound interest on a given sum and the sum

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

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If x varies inversely as y and x = 20 when y = 600, find y when x =

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

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If x varies inversely as y and y = 60 when x = 1.5. Find x. when y =

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

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A car covers a distance in 40 minutes with an average speed of 60 km/h. What should be the average speed to cover the same distance in 25

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

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It is given that l varies directly as m. (i) Write an equation which relates l and m. (ii) Find the constant of proportion (k), when l is 6 then m is

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

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If a deposit of Rs 2,000 earns an interest of Rs 500 in 3 years, how much interest would a deposit of Rs 36,000 earn in 3 years with the same rate of simple

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

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From the following table, determine if x and y are in direct proportion or not. x 1 4 9 20 y 1.5 6 13.5 20

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

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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 l 9 n 6 b 5 m 25 10

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

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The cost of 27 kg of iron is Rs 1,080, what will be the cost of 120 kg of iron of the same

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

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30 persons can reap a field in 17 days. How many more persons should be engaged to reap the same field in 10

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

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