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A man purchased a bicycle for Rs 1,040 and sold it for Rs 800. His gain per cent is

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

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Simple interest on a given amount is always less than or equal to the compound interest on the same amount for the same time period and at the same rate of interest per

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

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Ashima sold two coolers for Rs 3,990 each. On selling one cooler she gained 5% and on selling the the other she suffered a loss of 5%. Find her overall gain or loss % in whole

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

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A lady buys some pencils for Rs 3 and an equal number for Rs 6. She sells them for Rs 7. Find her gain or

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

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The human body is made up mostly of water. In fact, about 67% of a person’s total body weight is water. If Jyoti weights 56 kg, how much of her weight is

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

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The table shows the cost of sunscreen of two brands with and without sales tax. Which brand has a greater sales tax rate? Give the sales tax rate of each brand. Cost (in Rs) Cost+Tax (in Rs) 1. X (100 gm) 2. Y (100 gm) 7062 7565

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

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Which quantities in the previous question vary inversely with each

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

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Amount of region occupied by a solid is called its surface

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

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A cube of side 5 cm is cut into as many 1 cm cubes as possible. What is the ratio of the surface area of the original cube to that of the sum of the surface areas of the smaller

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

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Find the capacity of water tank, in litres, whose dimensions are 4.2 m, 3 m and 1.8

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

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Below are the drawings of cross sections of two different pipes used to fill swimming pools. Figure A is a combination of 2 pipes each having a radius of 8 cm. Figure B is a pipe having a radius of 15 cm. If the force of the flow of water coming out of the pipes is the same in both the cases, which will fill the swimming pool faster?

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

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The cost of a chocolate is Rs (x + y) and Rohit bought (x + y) chocolates. Find the total amount paid by him in terms of x. If x = 10, find the amount paid by

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

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The human body has about 100 billion cells. This number can be written in exponential form

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

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The value of `(2/5)^-2`

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

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The multiplicative inverse of `10^(–100)`

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

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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 by sumit (1.6k points)

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The value of `[1^(–2) + 2^(–2) + 3^(–2)] xx 6^2` is ________

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

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The expression for `4^(–3)` as a power with the base 2 is

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

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Find the multiplicative inverse of `(–7)^(–2) -:

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

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Astronomy The table shows the mass of the planets, the sun and the moon in our solar system. (a) Write the mass of each planet and the Moon in scientific

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

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