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Arjun is twice as old as Shriya. Five years ago his age was three times Shriya’s age. Find their present

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

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Sum of the digits of a two-digit number is 9. When we interchange the digits, it is found that the resulting new number is greater than the original number by 27. What is the two-digit

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

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Solve

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

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RICE is a rhombus (Fig ). Find x, y, z. Justify your findings.

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

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Find the smallest number by which each of the following numbers must be multiplied to obtain a perfect cube. 243

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

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Find the smallest number by which each of the following numbers must be divided to obtain a perfect cube. 135

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

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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 by nishit (1.8k points)

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Find the cube root of each of the following numbers by prime factorisation method. 10648

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

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State true or false. A perfect cube does not end with two

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

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You are told that 1,331 is a perfect cube. Can you guess without factorisation what is its cube root? Similarly, guess the cube roots of 4913, 12167,

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

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Find the ratio of the following. Speed of a cycle 15 km per hour to the speed of scooter 30 km per

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

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Convert the following ratios to percentages. 3 : 4

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

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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 by nikhil (1.8k points)

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A VCR and TV were bought for Rs 8,000 each. The shopkeeper made a loss of 4% on the VCR and a profit of 8% on the TV. Find the gain or loss percent on the whole

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

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A milkman sold two of his buffaloes for Rs 20,000 each. On one he made a gain of 5% and on the other a loss of 10%. Find his overall gain or loss. (Hint: Find CP of

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

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Calculate the amount and compound interest on Rs 10,800 for 3 years at `12 1/2%` per annum compounded

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

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Arif took a loan of Rs 80,000 from a bank. If the rate of interest is 10% per annum, find the difference in amounts he would be paying after `1 1/2` years if the interest is compounded half

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

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Add: 7xy + 5yz – 3zx, 4yz + 9zx – 4y , –3xz + 5x –

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

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Find the product of the following pairs of monomials. `– 4p, 7pq`

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

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Find the areas of rectangles with the following pairs of monomials as their lengths and breadths respectively.`(p, q); (10m, 5n); (20x^2, 5y^2); (4x, 3x^2); (3mn,

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

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