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Complete the table.First expression Second expression Product First expression Second expression Product (i) a b + c + d . . (ii) x + y – 5 5xy . . (iii) p `6p^2 – 7p + 5` . . (iv) `4p^2 q^2` `p^2 – q^2` . . (v) a + b + c abc . .

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

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The graph given below shows the marks obtained out of 10 by Soniain two different tests. Study the graph and answer the questionsthat follow.(a) What information is represented by the axes?(b) In which subject did she score the highest in Test I?(c) In which subject did she score the least in Test II?(d) In which subject did she score the same marks in both the Tests?(e) What are the marks scored by her in English in Test II?(f) In which test was the performance better?(g) In which subject and which test did she score full

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

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The reciprocal of a negative rational number is

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

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The number of boys and girls in a class are in the ratio 5:4. If the number of boys is 9 more than the number of girls, then number of boys is

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

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Ms. Anita has to drive from Jhareda to Ganwari. She measures a distance of 3.5 cm between these villages on the map. What is the actual distance between the villages if the map scale is 1 cm = 10

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

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Suppose 2 kg of sugar contains `9 xx 10^6` crystals. How many sugar crystals are there in 5 kg of sugar?

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

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Two persons could fit new windows in a house in 3 days. One of the persons fell ill before the work started. How long would the job take

asked Jan 17, 2022 in 8th-maths by purvi (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 Are the number of

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

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Lakshmi is a cashier in a bank. She has currency notes of denominations Rs 100, Rs 50 and Rs 10, respectively. The ratio of the number of these notes is 2:3:5. The total cash with Lakshmi is Rs 4,00,000. How many notes of each denomination does she

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

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Problem Solving StrategiesProblem : The product of two rational numbers is –7. If one of the number is –10, find the

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

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There is a narrow rectangular plot, reserved for a school, in Mahuli village. The length and breadth of the plot are in the ratio 11:4.At the rate Rs100 per metre it will cost the village panchayat Rs 75000 to fence the plot. What are the dimensions of the

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

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A farmer has a field of area `49 4/5`ha. He wants to divide it equally among his one son and two daughters. Find the area of each one’s share.(ha means hectare; 1 hectare = 10,000

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

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Rahul, Varun and Yash are playing a game of spinning a coloured wheel. Rahul wins if spinner lands on red. Varun wins if spinner lands on blue and Yash wins if it lands on green. Which of the following spinner should be used to make the game fair?

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

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Which of the following is in direct

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

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4z + 3 = 6 +

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

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A suitcase with measures `80 cm xx 48 cm xx 24 cm` is to be covered with a tarpaulin cloth. How many metres of tarpaulin of width 96 cm is required to cover 100 such

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

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