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C.P. = M.P. –

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

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Three times a number is 200% increase in the number, then one-third of the same number is 200% decrease in the

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

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The cost of a sewing machine is Rs 7,000. Its value depreciates at 8% p.a. Then the value of the machine after 2 years is Rs

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

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The original price of a shampoo bottle bought for Rs 324 if 8% VAT is included in the price is Rs

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

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Sales tax is always calculated on the cost price of an item and is added to the value of the

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

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In 1975, the consumption of water for human use was about 3850 cu.km/year. It increased to about 6000 cu.km/year in the year 2000. Find the per cent increase in the consumption of water from 1975 to 2000. Also, find the annual per cent increase in consumption (assuming water consumption increases

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

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Given the principal = Rs 40,000, rate of interest = 8% p.a. compounded annually. Find (a) Interest if period is one year. (b) Principal for 2nd year. (c) Interest for 2nd year. (d) Amount if period is 2

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

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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 by nishit (1.8k points)

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A student used the proportion `n/100 = 5/32`to find 5% of 32. What did the student do

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

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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 by Arun (1.7k points)

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If 5 persons can finish a job in 10 days then one person will finish it in 2

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

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Both x and y vary inversely with each other. When x is 10, y is 6, which of the following is not a possible pair of corresponding values of x and

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

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

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

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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 by Simran (1.8k points)

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If two quantities p and q vary inversely with each other then ______ of their corresponding values remains

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

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Devangi travels 50 m distance in 75 steps, then the distance travelled in 375 steps is _______

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

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Two quantities x and y are said to vary directly with each other if for some rational number k, xy =

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

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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 by nikhil (1.8k points)

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The area of cultivated land and the crop harvested is a case of direct

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