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Many schools have a recommended students-teacher ratio as 35:1. Next year, school expects an increase in enrolment by 280 students. How many new teachers will they have to appoint to maintain the students-teacher

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

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Kusum always forgets how to convert miles to kilometres and back again. However she remembers that her car’s speedometer shows both miles and kilometres. She knows that travelling 50 miles per hour is same as travelling 80 kilometres per hour. To cover a distance of 200 km, how many miles Kusum would have to

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

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The students of Anju’s class sold posters to raise money. Anju wanted to create a ratio for finding the amount of money her class would make for different numbers of posters sold. She knew they could raise Rs 250 for every 60 posters sold. (a) How much money would Anju’s class make for selling 102 posters? (b) Could Anju’s class raise exactly Rs 2,000? If so, how many posters would they need to sell? If not,

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

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What is the area of the triangle ADE in the following figure?

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

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What will be the change in the volume of a cube when its side becomes 10 times the original

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

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Area of a rhombus is equal to __________ of its

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

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If the area of a face of a cube is 10 `cm^2`, then the total surface area of the cube is

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

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1L = 1000

asked Jan 17, 2022 in 8th-maths by nikhil (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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160 `m^3` of water is to be used to irrigate a rectangular field whose area is 800 `m^2`. What will be the height of the water level in the

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

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Find the area of a rhombus whose one side measures 5 cm and one diagonal as 8

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

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The parallel sides of a trapezium are 40 cm and 20 cm. If its non-parallel sides are both equal, each being 26 cm, find the area of the

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

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Find the area of polygon ABCDEF, if AD = 18cm, AQ = 14 cm, AP = 12 cm, AN = 8 cm, AM = 4 cm, and FM, EP, QC and BN are perpendiculars to diagonal

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

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A cube of side 5 cm is painted on all its faces. If it is sliced into 1 cubic centimetre cubes, how many 1 cubic centimetre cubes will have exactly one of their faces

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

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A cube of side 4 cm is cut into 1 cm cubes. What is the ratio of the surface areas of the original cubes and cut-out

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

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A circle of maximum possible size is cut from a square sheet of board. Subsequently, a square of maximum possible size is cut from the resultant circle. What will be the area of the final

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

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What is the area of the largest triangle that can be fitted into a rectangle of length l units and width w

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

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If the height of a cylinder becomes `1/4` of the original height and the radius is doubled, then which of the following will be

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

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If the height of a cylinder becomes `1/4` of the original height and the radius is doubled, then which of the following will be

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

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If the height of a cylinder becomes `1/4` of the original height and the radius is doubled, then which of the following will be

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

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