Questions by krutika

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A new computer costs Rs 1,00,000. The depreciation of computers is very high as new models with better technological advantages are coming into the market. The depreciation is as high as 50% every year. How much will the cost of computer be after two

asked Jan 17, 2022 in 8th-maths

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Sita is practicing basket ball. She has managed to score 32 baskets in 35 attempts. What is her success rate in per centage?

asked Jan 17, 2022 in 8th-maths

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When two quantities x and y are in inverse proportion, then `x/y` is a

asked Jan 17, 2022 in 8th-maths

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In a scout camp, there is food provision for 300 cadets for 42 days. If 50 more persons join the camp, for how many days will the provision

asked Jan 17, 2022 in 8th-maths

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Both x and y are in direct proportion, then `1/x` and `1/y`

asked Jan 17, 2022 in 8th-maths

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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

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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

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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

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

asked Jan 17, 2022 in 8th-maths

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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

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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

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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

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A car travels a distance of 225 km in 25 litres of petrol. How many litres of petrol will be required to cover a distance of 540 kilometres by this

asked Jan 17, 2022 in 8th-maths

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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 6 8 q 25 b 18 p 39 r

asked Jan 17, 2022 in 8th-maths

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If 25 metres of cloth costs Rs 337.50, then (i) What will be the cost of 40 metres of the same type of cloth? (ii) What will be the length of the cloth bought for Rs

asked Jan 17, 2022 in 8th-maths

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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

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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

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A water tank casts a shadow 21 m long. A tree of height 9.5 m casts a shadow 8 m long at the same time. The lengths of the shadows are directly proprotional to their heights. Find the height of the tank

asked Jan 17, 2022 in 8th-maths

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Kritika is following this recipe for bread. She realises her sister used most of sugar syrup for her breakfast. Kritika has only `1/6` cup of syrup, so she decides to make a small size of bread. How much of each ingredient shall she use? Bread recipe 1 cup quick cooking oats 2 cups bread flour `1/3` cup sugar syrup 1 tablespoon cooking oil `1 1/3` cups water 3 tablespoons yeast 1 teaspoon

asked Jan 17, 2022 in 8th-maths

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What is the area of the largest triangle that can be fitted into a rectangle of length l units and width w

asked Jan 17, 2022 in 8th-maths

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