Questions by yogita

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Find the smallest number by which each of the following numbers must be divided to obtain a perfect cube.

asked Jan 17, 2022 in 8th-maths

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Find the cube root of each of the following numbers by prime factorisation method.

asked Jan 17, 2022 in 8th-maths

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Find the cube root of each of the following numbers by prime factorisation method.

asked Jan 17, 2022 in 8th-maths

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State true or false. The cube of a two digit number may be a three digit

asked Jan 17, 2022 in 8th-maths

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If their first stop is at a place 22 km from the school, what per cent of the total distance of 55 km is this? What per cent of the distance is left to be

asked Jan 17, 2022 in 8th-maths

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Sohan bought a second hand refrigerator for Rs 2,500, then spent Rs 500 on its repairs and sold it for Rs 3,300. Find his loss or gain per

asked Jan 17, 2022 in 8th-maths

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(Value Added Tax (VAT)) Waheeda bought an air cooler for Rs 3300 including a tax of 10%. Find the price of the air cooler before VAT was

asked Jan 17, 2022 in 8th-maths

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A man got a 10% increase in his salary. If his new salary is Rs 1,54,000, find his original

asked Jan 17, 2022 in 8th-maths

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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 17, 2022 in 8th-maths

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I borrowed Rs 12,000 from Jamshed at 6% per annum simple interest for 2 years. Had I borrowed this sum at 6% per annum compound interest, what extra amount would I have to

asked Jan 17, 2022 in 8th-maths

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A scooter was bought at Rs 42,000. Its value depreciated at the rate of 8% per annum. Find its value after one

asked Jan 17, 2022 in 8th-maths

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Identify the terms, their coefficients for each of the following expressions. `5xyz^2 – 3zy`

asked Jan 17, 2022 in 8th-maths

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Subtract 3xy + 5yz – 7zx from 5xy – 2yz – 2zx +

asked Jan 17, 2022 in 8th-maths

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Find the product of the following pairs of monomials. `4p^3, –

asked Jan 17, 2022 in 8th-maths

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Obtain the product of xy, yz, zx

asked Jan 17, 2022 in 8th-maths

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Complete the table.First expression Second expression Product First expression Second expression Product (i) a b + c + d . . (ii) x + y – 5 5xy . . (iii) p `6p^2 – 7p + 5` . . (iv) `4p^2 q^2` `p^2 – q^2` . . (v) a + b + c abc . .

asked Jan 17, 2022 in 8th-maths

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Multiply (x – 4) and (2x + 3)

asked Jan 17, 2022 in 8th-maths

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Multiply (x – y) and (3x +

asked Jan 17, 2022 in 8th-maths

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Multiply the binomials. (a + 3b) and (x +

asked Jan 17, 2022 in 8th-maths

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Multiply the binomials. `(3/4a^2+3b^2)` and

asked Jan 17, 2022 in 8th-maths

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