Questions by yogita

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

asked Jan 18, 2022 in 8th-maths

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

asked Jan 18, 2022 in 8th-maths

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

asked Jan 18, 2022 in 8th-maths

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If x varies inversely as y, then x – 60 y 2

asked Jan 18, 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 18, 2022 in 8th-maths

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Length of a side of an equilateral triangle and its perimeter vary inversely with each

asked Jan 18, 2022 in 8th-maths

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If d varies directly as `t^2`, then we can write `dt^2` = k, where k is some

asked Jan 18, 2022 in 8th-maths

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If p and q are in inverse variation then (p + 2) and (q – 2) are also in inverse

asked Jan 18, 2022 in 8th-maths

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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 18, 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 18, 2022 in 8th-maths

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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 18, 2022 in 8th-maths

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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 18, 2022 in 8th-maths

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A recipe for a particular type of muffins requires 1 cup of milk and 1.5 cups of chocolates. Riya has 7.5 cups of chocolates. If she is using the recipe as a guide, how many cups of milk will she need to prepare muffins?

asked Jan 18, 2022 in 8th-maths

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What is the area of the triangle ADE in the following figure?

asked Jan 18, 2022 in 8th-maths

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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 18, 2022 in 8th-maths

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Area of a rhombus is equal to __________ of its

asked Jan 18, 2022 in 8th-maths

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asked Jan 18, 2022 in 8th-maths

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Find the area of a rhombus whose one side measures 5 cm and one diagonal as 8

asked Jan 18, 2022 in 8th-maths

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The parallel sides of a trapezium are 40 cm and 20 cm. If its non-parallel sides are both equal, each being 26 cm, find the area of the

asked Jan 18, 2022 in 8th-maths

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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 18, 2022 in 8th-maths

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