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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 uday (1.6k points)

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A student used the proportion `n/100 = 5/32`to find 5% of 32. What did the student do

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

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The table shows the cost of sunscreen of two brands with and without sales tax. Which brand has a greater sales tax rate? Give the sales tax rate of each brand. Cost (in Rs) Cost+Tax (in Rs) 1. X (100 gm) 2. Y (100 gm) 7062 7565

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

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The food labels given below give information about 2 types of soup: cream of tomato and sweet corn. Use these labels to answer the given questions. (All the servings are based on a 2000 calorie diet.) (a) Which can be measured more accurately : the total amount of fat in cream of tomato soup or the total amount of fat in sweet corn soup? Explain. (b) One serving of cream of tomato soup contains 29% of the recommended daily value of sodium for a 2000 calorie diet. What is the recommended daily value of sodium in milligrams? Express

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

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Music CD originally priced at Rs 120 is on sale for 25% off. What is the S.P.? Sonia and Rahul have different ways of calculating the sale price for the items they bought. As you work on the next problem, try both of these methods to see which you

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

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Store A and Store B both charge Rs 750 for a video game. This week the video game is on sale for Rs 600 at Store B and for 25% off at Store A. At which store is the game less

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

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At a toy shop price of all the toys is reduced to 66% of the original price. (a) What is the sale price of a toy that originally costs Rs 90? (b) How much money would you save on a toy costing Rs

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

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A store is having a 25% discount sale. Sheela has a Rs 50 gift voucher and wants to use it to buy a board game marked for Rs 320. She is not sure how to calculate the concession she will get. The sales clerk has suggested two ways to calculate the amount payable. - Method 1: Subtract Rs 50 from the price and take 25% off the resulting price. - Method 2: Take 25% off the original price and then subtract Rs 50. a. Do you think both the methods will give the same result? If not, predict which method

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

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Living on your own: Sanjay is looking for one-bedroom apartment on rent. At Neelgiri apartments, rent for the first two months is 20% off. The one bedroom rate at Neelgiri is Rs 6,000 per month. At Savana appartments, the first month is 50% off. The one bedroom rate at Savana appartments is Rs 7000 per month. Which appartment will be cheaper for the first two months? By how

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

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For an amount, explain why, a 20% increase followed by a 20% decrease is less than the original

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

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Sunscreens block harmful ultraviolet (UV) rays produced by the sun. Each sunscreen has a Sun Protection Factor (SPF) that tells you how many minutes you can stay in the sun before you receive one minute of burning UV rays. For example, if you apply sunscreen with SPF 15, you get 1 minute of UV rays for every 15 minutes you stay in the sun. 1. A sunscreen with SPF 15 allows only `1/15` of the sun’s UV rays. What per cent of UV rays does the sunscreen abort? 2. Suppose a sunscreen allows 25% of the sun’s UV rays. a.

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

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A real estate agent receives Rs 50,000 as commission, which is 4% of the selling price. At what price does the agent sell the

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

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With the decrease in prices of tea by 15% Tonu, the chaiwallah, was able to buy 2 kg more of tea with the same Rs 45 that he spent each month on buying tea leaves for his chai shop. What was the reduced price of tea? What was the original price of tea?

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

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Below is the Report Card of Vidit Atrey. Vidit’s teacher left the last column blank. Vidit is not able to make out, in which subject he performed better and in which he needs improvement. Complete the table to help Vidit know his comparative performance.

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

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Sita is practicing basket ball. She has managed to score 32 baskets in 35 attempts. What is her success rate in per centage?

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

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During school hours, Neha finished 73% of her homework and Minakshi completed 5/8 of her homework. Who must finish a greater per cent of

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

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Rain forests are home to 90,000 of the 2,50,000 identified plant species in the world. What per cent of the world’s identified plant species are found in rain

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

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Madhu’s room measures 6m × 3m. Her carpet covers 8m2. What per cent of floor is covered by the

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

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The human body is made up mostly of water. In fact, about 67% of a person’s total body weight is water. If Jyoti weights 56 kg, how much of her weight is

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

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