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Find a single machine that will do the same job as the given hook-up. (a) a`(xx 2^3)` machine followed by `(xx 2^(–2))` machine. (b) a`(xx 2^4)` machine followed by `(xx(1/2)^2)` machine (c) a`(xx 5^99)` machine followed by a `(5^(–100))`

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

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Shikha has an order from a golf course designer to put palm trees through a `(xx 2^3)` machine and then through a `(xx 3^3)` machine. She thinks she can do the job with a single repeater machine. What single repeater machine should she use?

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

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By what number should `(–8)^(–3)` be multiplied so that that the product may be equal to

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

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By selling 50 pens, a shopkeeper lost the amount equal to the selling price of 10 pens. His loss per cent is

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

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Overhead charges, if any, are sometimes included in the cost

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

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The marked price of an article is Rs 80 and it is sold at Rs 76, then the discount rate

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

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A TV set was bought for Rs 26,250 including 5% VAT. The original price of the TV set

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

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40% of [100 – 20% of 300] is equal

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

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_________ is charged on the sale of an item by the government and is added to the bill

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

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Sales tax = tax % of

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

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If amount on the principal of Rs 6,000 is written as 6000 `(1+5/100)^3` and compound interest payable half yearly, then rate of interest p.a. is _________ and time in years is

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

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Additional expenses made after buying an article are included in the cost price and are known as Value Added

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

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Number of students appearing for class X CBSE examination increases from 91,422 in 1999–2000 to 11,6054 in 2008–09. Increase in the number of students appeared is approximately

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

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Selling price of 9 articles is equal to the cost price of 15 articles. In this transaction there is profit of `66 2/3

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

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In case of loss, C.P. = `(100 xx S.P.)/(100 +

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

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The cost of a book marked at Rs 190 after paying a sales tax of 2% is Rs

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

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

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Prachi bought medicines from a medical store as prescribed by her doctor for Rs 36.40 including 4% VAT. Find the price before VAT was

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

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How much more per cent seats were won by X as compared to Y in Assembly Election in the state based on the data given below. Party Won(out of 294) XYZW 1581051813

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

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