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Long back in ancient times, a farmer saved the life of a king’s daughter. The king decided to reward the farmer with whatever he wished. The farmer, who was a chess champion, made an unusal request: “I would like you to place 1 rupee on the first square of my chessboard, 2 rupees on the second square, 4 on the third square, 8 on the fourth square, and so on, until you have covered all 64 squares. Each square should have twice as many rupees as the previous square.” The king thought this to be too less and asked the

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

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Three bags contain 64.2 kg of sugar. The second bag contains `4/5` of the contents of the first and the third contains `42 1/2%` of what there is in the second bag. How much sugar is there in each

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

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If xy = 10, then x and y vary ______ with each

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

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Sonal and Anmol made a sequence of tile designs from square white tiles surrounding one square purple tile. The purple tiles come in many sizes. Three of the designs are shown below.(a) Copy and complete the table Side Length of Purple 1 2 3 4 5 10 100 Number of white Tiles (b) Draw a graph using the first five pairs of numbers in your table.(c) Do the points lie on a

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

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A group of 360 people were asked to vote for their favourite season from the three seasons rainy, winter and summer.

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

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The adjoining pie chart gives the marks scored in an examination by a student in Hindi, English, Mathematics, Social Science and Science. If the total marks obtained by the students were 540, answer the following questions.

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

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The adjoining pie chart gives the marks scored in an examination by a student in Hindi, English, Mathematics, Social Science and Science. If the total marks obtained by the students were 540, answer the following questions.

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

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What is the sum of the measures of the angles of a convex quadrilateral? Will this property hold if the quadrilateral is not convex? (Make a non-convex quadrilateral and

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

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State true or false. There is no perfect cube which ends with

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

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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 by krutika (1.7k points)

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Simplify. `(x + y)(2x + y) + (x + 2y)(x – y)`

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

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Find the side of a cube whose surface area is 600

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

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Daniel is painting the walls and ceiling of a cuboidal hall with length, breadth and height of 15 m, 10 m and 7 m respectively. From each can of paint 100 `m^2` of area is painted. How many cans of paint will she need to paint the

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

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Find the height of a cuboid whose volume is 275 `cm^3` and base area is 25 `cm^2`

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

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Find the value of. `(3° + 4^(– 1)) xx

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

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The per cent of pure gold in 14 carat gold is about 58.3%. A 14 carat gold ring weighs 7.6 grams. How many grams of pure gold are in the

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

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Length of a side of a square and its area vary directly with each

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

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The distance between earth and sun is 150 million kilometres which can be written in exponential form as

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

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The left column of the chart lists the lengths of input pieces of ribbon. Stretching machines are listed across the top. The other entries are the outputs for sending the input ribbon from that row through the machine from that column. Copy and complete the chart.

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

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If xy = 10, then x and y vary ______ with each

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

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