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A TV was bought at a price of Rs 21,000. After one year the value of the TV was depreciated by 5% (Depreciation means reduction of value due to use and age of the item). Find the value of the TV after one

asked Jan 18, 2022 in 8th-maths by purvi (1.8k points)

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Simplify `(– 4)^5 xx (– 4)^(–10)`

asked Jan 18, 2022 in 8th-maths by yogita (1.8k points)

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A train is moving at a uniform speed of 75 km/hour. Find the time required to cover a distance of 250

asked Jan 18, 2022 in 8th-maths by sumit (1.6k points)

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A 5 m 60 cm high vertical pole casts a shadow 3 m 20 cm long. Find at the same time the height of a pole which casts a shadow 5m

asked Jan 18, 2022 in 8th-maths by nishit (1.8k points)

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Is 392 a perfect cube? If not, find the smallest natural number by which 392 must be multiplied so that the product is a perfect

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

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Simplify and write the answer in the exponential form. `(– 4)^(– 3) xx (5)^(– 3) xx

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

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A man started his journey on his car from location A and came back. The given graph shows his position at different times during the whole journey. (a) At what time did he start and end his journey?(b) What was the total duration of

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

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In a Television game show, the prize money of Rs 1,00,000 is to be divided equally amongst the winners. Complete the following table and find whether the prize money given to an individual winner is directly or inversely proportional to the numberof

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

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The students of Anju’s class sold posters to raise money. Anju wanted to create a ratio for finding the amount of money her class would make for different numbers of posters sold. She knew they could raise Rs 250 for every 60 posters sold. (a) How much money would Anju’s class make for selling 102 posters? (b) Could Anju’s class raise exactly Rs 2,000? If so, how many posters would they need to sell? If not,

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

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The equivalent rational number of `7/9` , whose denominator is 45

asked Jan 18, 2022 in 8th-maths by purvi (1.8k points)

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The reciprocal of a non-zero rational number `q/p` is the rational number `q/p`

asked Jan 18, 2022 in 8th-maths by yogita (1.8k points)

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For every rational number x, `x xx 0 =

asked Jan 18, 2022 in 8th-maths by Simran (1.8k points)

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Verify the property `x xx (y + z) = x xx y + x xx z` of rational numbers by taking. x = `(-2)/3`, y = `(-4)/6` and z =

asked Jan 18, 2022 in 8th-maths by purvi (1.8k points)

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The number of people having books more than 20 and less than 40 is

asked Jan 18, 2022 in 8th-maths by uday (1.6k points)

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In the class intervals 10 –20, 20 –30, etc., respectively, 20 lies in the class

asked Jan 18, 2022 in 8th-maths by Arun (1.7k points)

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In a hypothetical sample of 20 people, the amount of money (in thousands of rupees) with each was found to be as follows: `114, 108, 100, 98, 101, 109, 117, 119, 126, 131, 136, 143, 156, 169, 182, 195, 207, 219, 235, 118`. Draw a histogram of the frequency distribution, taking one of the class intervals as

asked Jan 18, 2022 in 8th-maths by Arun (1.7k points)

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There are _________ natural numbers between `n^2` and `(n +

asked Jan 18, 2022 in 8th-maths by yogita (1.8k points)

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The least number by which 125 be multiplied to make it a perfect square is

asked Jan 18, 2022 in 8th-maths by purvi (1.8k points)

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The adjacent sides of a parallelogram are 5 cm and 9 cm. Its perimeter is

asked Jan 18, 2022 in 8th-maths by vaibhav (1.7k points)

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If one diagonal of a rectangle is 6 cm long, length of the other diagonal is

asked Jan 18, 2022 in 8th-maths by uday (1.6k points)

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