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

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

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If the distance travelled by a rickshaw in one hour is 10 km, then the distance travelled by the same rickshaw with the same speed in one minute

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

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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 by yogita (1.8k points)

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If x varies directly as y, then x 12 6 y 48

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

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On increasing a, b increases in such a manner that `b/a` remains______ and positive, then a and b are said to vary directly with each

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

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An auto rickshaw takes 3 hours to cover a distance of 36 km. If its speed is increased by 4 km/h, the time taken by it to cover the same distance is

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

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(i) The quantity of rice and its cost. (ii) The height of a tree and the number of years. (iii) Increase in cost and number of shirts that can be purchased if the budget remains the same. (iv) Area of land and its cost. (v) Sales Tax and the amount of the

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

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A contractor undertook a contract to complete a part of a stadium in 9 months with a team of 560 persons. Later on, it was required to complete the job in 5 months. How many extra persons should he employ to complete the

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

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The mass of an aluminium rod varies directly with its length. If a 16 cm long rod has a mass of 192 g, find the length of the rod whose mass is 105

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

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Find the values of x and y if a and b are in inverse proportion: a. 12 x 8 b. 30 5

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

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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 by nikhil (1.8k 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 yogita (1.8k points)

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At a particular time, the length of the shadow of Qutub Minar whose height is 72 m is 80 m. What will be the height of an electric pole, the length of whose shadow at the same time is 1000

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

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Posing a question Work with a partner to write at least five ratio statements about this quilt, which has white, blue, and purple squares. How many squares of each colour will be there in 12 such

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

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Match each of the entries in Column I with the appropriate entry in Column II Column I Column II 1. x and y vary inversely to each other A. x y = Constant 2. Mathematical representation of inverse B. y will increase in proportion variation of quantities p and q 3. Mathematical representation of C. xy = Constant direct variation of quantities m and n 4. When x = 5, y = 2.5 and when D. p ∝ 1 q y = 5, x = 10

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

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The variable x is inversely proportional to y. If x increases by p%, then by what per cent will y

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

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What will be the change in the volume of a cube when its side becomes 10 times the original

asked Jan 17, 2022 in 8th-maths by uday (1.6k 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 krutika (1.7k points)

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