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Cube of `-1/2`

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

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The standard form of 12340000 is

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Express `16^(–2)` as a power with the base

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

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This table shows the mass of one atom for five chemical elements. Use it to answer the question given. Element Mass of atom (kg) TitaniumLeadSilverLithiumHydrogen `7.95 × 10^(–26)` `3.44 × 10^(–25) ``1.79 × 10^(–25)``1.15 × 10^(–26)``1.674 × 10^(–27) `

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

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Neha needs to stretch some sticks to `25^2` times their original lengths, but her `(xx2^5)` machine is broken. Find a hook-up of two repeater machines that will do the same work as a `(xx25^2)` machine. To get started, think about the hookup you could use to replace the `(xx2^5)` machine.

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

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Find three machines that can be replaced with hook-ups of `(xx 5)`

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

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

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

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A number is increased by 20% and then it is decreased by 20%. Find the net increase or decrease per

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

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Suppose a certain sum doubles in 2 years at r % rate of simple interest per annum or at R% rate of interest per annum compounded annually. We

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

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If 90% of x is 315 km, then the value of x

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

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_________ is a reduction on the marked price of the

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

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Discount = Discount % of

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

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The marked price of an article when it is sold for Rs 880 after a discount of 12% is

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

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In the first year on an investment of Rs 6,00,000 the loss is 5% and in the second year the gain is 10%, the net result is

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

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Kritika ordered one pizza and one garlic bread from a pizza store and paid Rs 387 inclusive of taxes of Rs 43. Find the

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

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If principal = Rs 1,00,000. rate of interest = 10% compounded half yearly. Find Interest for 6

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

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Babita bought 160 kg of mangoes at Rs 48 per kg. She sold 70% of the mangoes at Rs 70 per kg and the remaining mangoes at Rs 40 per kg. Find Babita’s gain or loss per cent on the whole

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

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The population of a town was decreasing every year due to migration, poverty and unemployment. The present population of the town is 6,31,680. Last year the migration was 4% and the year before last, it was 6%. What was the population two years

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

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