Questions by krutika

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Find the smallest number by which each of the following numbers must be multiplied to obtain a perfect cube. 256

asked Jan 17, 2022 in 8th-maths

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Find the smallest number by which each of the following numbers must be multiplied 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. 13824

asked Jan 17, 2022 in 8th-maths

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The cost per head if two teachers are also going with the

asked Jan 17, 2022 in 8th-maths

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Meenu bought two fans for Rs 1200 each. She sold one at a loss of 5% and the other at a profit of 10%. Find the selling price of each. Also find out the total profit or

asked Jan 17, 2022 in 8th-maths

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The cost of an article was Rs 15,500. Rs 450 were spent on its repairs. If it is sold for a profit of 15%, find the selling price of the

asked Jan 17, 2022 in 8th-maths

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Arun bought a pair of skates at a sale where the discount given was 20%. If the amount he pays is Rs 1,600, find the marked

asked Jan 17, 2022 in 8th-maths

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Find CI on Rs 12600 for 2 years at 10% per annum compounded

asked Jan 17, 2022 in 8th-maths

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Find CI paid when a sum of Rs 10,000 is invested for 1 year and 3 months at `8 1/2%` per annum compounded

asked Jan 17, 2022 in 8th-maths

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The population of a city was 20,000 in the year 1997. It increased at the rate of 5% p.a. Find the population at the end of the year

asked Jan 17, 2022 in 8th-maths

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Calculate the amount and compound interest on Rs 10,000 for 1 year at 8% per annum compounded half

asked Jan 17, 2022 in 8th-maths

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Fabina borrows Rs 12,500 at 12% per annum for 3 years at simple interest and Radha borrows the same amount for the same time period at 10% per annum, compounded annually. Who pays more interest and by how

asked Jan 17, 2022 in 8th-maths

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Maria invested Rs 8,000 in a business. She would be paid interest at 5% per annum compounded annually. Find The amount credited against her name at the end of the second

asked Jan 17, 2022 in 8th-maths

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Maria invested Rs 8,000 in a business. She would be paid interest at 5% per annum compounded annually. Find The interest for the 3rd

asked Jan 17, 2022 in 8th-maths

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Identify the terms, their coefficients for each of the following expressions. `1 + x +

asked Jan 17, 2022 in 8th-maths

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Identify the terms, their coefficients for each of the following expressions.

asked Jan 17, 2022 in 8th-maths

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Subtract `4p^2q – 3pq + 5pq^2 – 8p + 7q – 10` from `18 – 3p – 11q + 5pq – 2pq^2 +

asked Jan 17, 2022 in 8th-maths

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Obtain the volume of rectangular boxes with the following length, breadth and heightrespectively. `5a, 3a^2,

asked Jan 17, 2022 in 8th-maths

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Obtain the product of m, – mn,

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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