Questions by Arun

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Latika bought a teapot for Rs 120 and a set of cups for Rs 400. She sold teapot at a profit of 5% and cups at a loss of 5%. The amount received by her

asked Jan 17, 2022 in 8th-maths

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Radhika bought a car for Rs 2,50,000. Next year its price decreased by 10% and further next year it decreased by 12%. In the two years overall decrease per cent in the price of the car

asked Jan 17, 2022 in 8th-maths

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When principal P is compounded semi-annually at r % per annum for t years, then Amount =

asked Jan 17, 2022 in 8th-maths

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The value of a car, bought for Rs 4,40,000 depreciates each year by 10% of its value at the beginning of that year. So its value becomes Rs 3,08,000 after three

asked Jan 17, 2022 in 8th-maths

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In 2007 – 08, the number of students appeared for Class X examination was 1,05,332 and in 2008–09, the number was 1,16,054. If 88,151 students pass the examination in 2007–08 and 103804 students in 2008–09. What is the increase or decrease in pass % in Class X

asked Jan 17, 2022 in 8th-maths

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Living on your own: Sanjay is looking for one-bedroom apartment on rent. At Neelgiri apartments, rent for the first two months is 20% off. The one bedroom rate at Neelgiri is Rs 6,000 per month. At Savana appartments, the first month is 50% off. The one bedroom rate at Savana appartments is Rs 7000 per month. Which appartment will be cheaper for the first two months? By how

asked Jan 17, 2022 in 8th-maths

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If x and y are inversely proportional then _____ = k where k is positive

asked Jan 17, 2022 in 8th-maths

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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

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A truck needs 54 litres of diesel for covering a distance of 297 km. The diesel required by the truck to cover a distance of 550 km

asked Jan 17, 2022 in 8th-maths

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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

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(i) The time taken by a train to cover a fixed distance and the speed of the train. (ii) The distance travelled by CNG bus and the amount of CNG used. (iii) The number of people working and the time to complete a given work. (iv) Income tax and the income. (v) Distance travelled by an auto-rickshaw and time

asked Jan 17, 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 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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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

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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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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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Amount of region occupied by a solid is called its surface

asked Jan 17, 2022 in 8th-maths

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A regular hexagon is inscribed in a circle of radius r. The perimeter of the regular hexagon

asked Jan 17, 2022 in 8th-maths

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The area of a parallelogram is 60 `cm^2` and one of its altitude is 5 cm. The length of its corresponding side

asked Jan 17, 2022 in 8th-maths

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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

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