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If 25 metres of cloth costs Rs 337.50, then (i) What will be the cost of 40 metres of the same type of cloth? (ii) What will be the length of the cloth bought for Rs

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

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Ravi starts for his school at 8:20 a.m. on his bicycle. If he travels at a speed of 10km/h, then he reaches his school late by 8 minutes but on travelling at 16 km/h he reaches the school 10 minutes early. At what time does the school

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

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Here is a key board of a harmonium: (a) Find the ratio of white keys to black keys on the keyboard. (b) What is the ratio of black keys to all keys on the given keyboard. (c) This pattern of keys is repeated on larger keyboard. How many black keys would you expect to find on a keyboard with 14 such

asked Jan 17, 2022 in 8th-maths by vaibhav (1.7k 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 sumit (1.6k points)

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If the diagonal d of a quadrilateral is doubled and the heights `(h_1)` and `(h_2)` falling on d are halved, then the area of quadrilateral is

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

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Total surface area of a cylinder of radius h and height r is

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

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Ratio of area of a circle to the area of a square whose side equals radius of circle is 1 :

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

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A swimming pool is 200 m by 50 m and has an average depth of 2 m. By the end of a summer day, the water level drops by 2 cm. How many cubic metres of water is lost on the

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

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The coordinates of the origin are

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

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The point (3, 4) is at a distance

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

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The points on the graph below represent the height and weight ofthe donkey, dog, crocodile, and ostrich shown in the drawing. (a) What are the two variables represented in the

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

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Sonal and Anmol then made another sequence of the designs. Three of the designs are shown below.(a) Complete the table. Rows, r 4 6 8 Number of white Tiles, w 9 Number of Purple Tiles, p 1 (b) Draw a graph of rows and number of white tiles. Draw another graph of the number of rows and the number of purple tiles. Put the number of rows on the horizontal axis.(c) Which graph is

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

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A point in which the x-coordinate is zero and y-coordinate is nonzero will lie on the

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

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If y–coordinate is 3 times x -coordinate, form a table for it and draw a

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

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Study the graph and answer the questions that follow.(a) What information does the graph give?(b) On which day was the temperature the least?(c) On which day was the temperature 31°C?(d) Which was the hottest

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

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Let abc be a three-digit number. Then abc – cba is not divisible

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

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A number is divisible by 11 if the differences between the sum of digits at its odd places and that of digits at the even places is either 0 or divisible by

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

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If the digit 1 is placed after a 2-digit number whose tens is t and ones digit is u, the new number is

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

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If 123123A4 is divisible by 11, find the value of

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

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Is `8/9` the multiplicative inverse of `-1 1/8`? Why or why

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

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