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A survey was carried out to find the favourite beverage preferred by a certain group of young people. The following pie chart shows the findings of this survey. From this pie chart answer the following: If 45 people like tea, how many people were

asked Jan 18, 2022 in 8th-maths by yogita (1.8k points)

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Rational numbers can be added or multiplied in any

asked Jan 18, 2022 in 8th-maths by yogita (1.8k points)

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Give one example each to show that the rational numbers are closed under addition, subtraction and multiplication. Are rational numbers closed under division? Give two examples in support of your

asked Jan 18, 2022 in 8th-maths by nikhil (1.8k points)

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Draw a parallelogram ABCD on a graph paper with the coordinates given in Table I. Use this table to complete Tables II and III to get the coordinates of E, F, G, H and J, K, L, M. Point (x, y) A (1, 1) B (4,4) C (8,4) D (5, 1) Table I Point (0.5x, 0.5y) E (0.5, 0.5) F G H

asked Jan 18, 2022 in 8th-maths by Arun (1.7k points)

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The floor of a building consists of 3000 tiles which are rhombus shaped and each of its diagonals are 45 cm and 30 cm in length. Find the total cost of polishing the floor,if the cost per `m^2` is Rs

asked Jan 18, 2022 in 8th-maths by nikhil (1.8k points)

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Use the distributivity of multiplication of rational numbers over addition to simplify

asked Jan 18, 2022 in 8th-maths by uday (1.6k points)

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A particular star is at a distance of about `8.1 xx 10^13` km from the Earth. Assuring that light travels at `3 xx 10^8` m per second, find how long does light takes from that star to reach the

asked Jan 18, 2022 in 8th-maths by nikhil (1.8k points)

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Look at the map given below. Answer the following questions.(i) Which two hospitals are opposite to each other?(ii) A person residing at Niti Bagh has to go to Chirag Delhi after dropping her daughter at Asiad Tower. Mention the important landmarks he will pass alongwith the roads taken.(iii) Name of which road is similar to the name of some

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

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`9/6` lies between 1 and

asked Jan 18, 2022 in 8th-maths by Simran (1.8k points)

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A car takes 2 hours to reach a destination by travelling at the speed of 60 km/h. How long will it take when the car travels at the speed of 80

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

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Two persons could fit new windows in a house in 3 days. How many persons would be needed to fit the windows in one

asked Jan 17, 2022 in 8th-maths by vaibhav (1.7k 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 Calculate the angle between

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

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Solve the following questions and write your observations. (i)`3/7 + 0 = ?` (ii) `2/3 xx 1 =

asked Jan 18, 2022 in 8th-maths by yogita (1.8k points)

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Which are prisms among the

asked Jan 18, 2022 in 8th-maths by yogita (1.8k points)

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5t – 3 = 3t –

asked Jan 18, 2022 in 8th-maths by Simran (1.8k points)

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There is a pentagonal shaped park as shown in the figure. For finding its area Jyoti and Kavita divided it in two different ways. Find the area of this park using both ways. Can you suggest some other wayof finding its

asked Jan 18, 2022 in 8th-maths by purvi (1.8k points)

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An average urban Indian uses about 150 litres of water every day. Activity Litres per person per day. Drinking 3 Cooking 4 Bathing 20 Sanitation 40 Washing clothes 40 Washing utensils 20 Gardening 23 _______________ Total 150 ________________ (a) What per cent of water is used for bathing and sanitation together per day? (b) How much less per cent of water is used for cooking in comparison to that used for bathing? (c) What per cent of water is used for drinking, cooking and gardening

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

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Below are the drawings of cross sections of two different pipes used to fill swimming pools. Figure A is a combination of 2 pipes each having a radius of 8 cm. Figure B is a pipe having a radius of 15 cm. If the force of the flow of water coming out of the pipes is the same in both the cases, which will fill the swimming pool faster?

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

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`-4/5` is larger than

asked Jan 18, 2022 in 8th-maths by nishit (1.8k points)

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Here is a table which gives the information about the total rainfall for several months compared to the average monthly rains of a town. Write each decimal in the form of rational number `p/q` . Month Above/Below normal (in cm) May 2.6924 June 0.6096 July – 6.9088 August – 8.636

asked Jan 18, 2022 in 8th-maths by yogita (1.8k points)

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