Questions by uday

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By multiplying `(10)^5` by `(10)^(–10)` we get

asked Jan 17, 2022 in 8th-maths

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If `36 = 6 xx 6 = 62`, then `1/36` expressed as a power with the base 6 is

asked Jan 17, 2022 in 8th-maths

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Large numbers can be expressed in the standard form by using positive

asked Jan 17, 2022 in 8th-maths

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Express `16/18` and `(-16)/18` as powers of a rational

asked Jan 17, 2022 in 8th-maths

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An electron’s mass is approximately `9.1093826 xx 10^(–31)` kilograms. What is this mass in

asked Jan 17, 2022 in 8th-maths

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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 17, 2022 in 8th-maths

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The left column of the chart lists the lengths of input chains of gold. Repeater machines are listed across the top. The other entries are the outputs you get when you send the input chain from that row through the repeater machine from that column. Copy and complete the chart.

asked Jan 17, 2022 in 8th-maths

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Simplify: `(1/2)^2-(1/4)^(3-1) =

asked Jan 17, 2022 in 8th-maths

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Simplify: `((3^-2)^2 xx (5^2)-3 xx (t^(-3))^2)/((3^(-2))^5 xx (5^3)^(-2) xx

asked Jan 17, 2022 in 8th-maths

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A shirt with marked price Rs 800 was sold at Rs 680. The rate of discount allowed on the shirt

asked Jan 17, 2022 in 8th-maths

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The discount per cent is calculated on the _________ price of an

asked Jan 17, 2022 in 8th-maths

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15% increase in price of an article, which is Rs 1,620, is the increase of Rs

asked Jan 17, 2022 in 8th-maths

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In a factory, women are 35% of all the workers, the rest of the workers being men. The number of men exceeds that of women by 252. Find the total number of workers in the

asked Jan 17, 2022 in 8th-maths

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Jyotsana bought a product for Rs 3,155 including 4.5% sales tax. Find the price before tax was

asked Jan 17, 2022 in 8th-maths

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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

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The following items are purchased from showroom: T-Shirt worth Rs 1200. Jeans worth Rs 1000. 2 Skirts worth Rs 1350 each. What will these items cost to Shikha if the sales tax is

asked Jan 17, 2022 in 8th-maths

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The number of teeth and the age of a person

asked Jan 17, 2022 in 8th-maths

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If two quantities p and q vary inversely with each other,

asked Jan 17, 2022 in 8th-maths

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If the distance travelled by a rickshaw in one hour is 10 km, then the distance travelled by the same rickshaw with the same speed in one minute

asked Jan 17, 2022 in 8th-maths

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When the speed is kept fixed, time and distance vary inversely with each

asked Jan 17, 2022 in 8th-maths

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