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Shobo’s mother’s present age is six times Shobo’s present age. Shobo’s age five years from now will be one third of his mother’s present age. What are their present

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

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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 by nikhil (1.8k points)

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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 by yogita (1.8k points)

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Which of the following are in inverse proportion?(i) The number of workers on a job and the time to complete the job.(ii) The time taken for a journey and the distance travelled in a uniform speed.(iii) Area of cultivated land and the crop harvested.(iv) The time taken for a fixed journey and the speed of the vehicle.(v) The population of a country and the area of land per

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

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Rehman is making a wheel using spokes. He wants to fix equal spokes in such a way that the angles between any pair of consecutive spokes are equal. Help him bycompleting the following table. sss 8 → 45°, 10 → 36°, 12 → 30° sss How many spokes would

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

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Find the number of faces in the given shapes:

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

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Factorise the following expressions. `24x^2yz^3 – 6xy^3z^2 + 15x^2y^2z –

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

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Factorise the following using the identity `a^2 – b^2 = (a + b) (a – b)`. `25ax^2 –

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

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

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

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Vishakha offers a discount of 20% on all the items at her shop and still makes a profit of 12%. What is the cost price of an article marked at Rs

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

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A car covers a distance in 40 minutes with an average speed of 60 km per hour. The average speed to cover the same distance in 30 minutes

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

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Study the given map of a zoo and answer the following

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

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Draw a histogram for the frequency table made for the data in Question 3, and answer the following questions. The weekly wages (in Rs) of 30 workers in a factory are. 830, 835, 890, 810, 835, 836, 869, 845, 898, 890, 820, 860, 832, 833, 855, 845,

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

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Adjoining pie chart (Fig ) gives the expenditure (in percentage) on various items and savings of a family during a month.

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

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Fifteen years from now Ravi’s age will be four times his present age. What is Ravi’s present

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

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Simplify. `(7m – 8n)^2 + (7m +

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

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For each of the given solid, the three views are given. Identify for each solid the corresponding top, front and side views. A Match

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

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Find the area of a rhombus whose side is 6 cm and whose altitude is 4 cm. If one of its diagonals is 8 cm long, find the length of the other

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

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An electric pole, 14 metres high, casts a shadow of 10 metres. Find the height of a tree that casts a shadow of 15 metres under similar

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

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A 5 m 60 cm high vertical pole casts a shadow 3 m 20 cm long. Find at the same time the height of a pole which casts a shadow 5m

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

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