50. C.P. = M.P. – Discount.
113. 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.
03
Aug
113. 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 [...]
110. 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.
03
Aug
110. 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. 50. [...]
109. 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 90?
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Aug
109. 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 90? 50. C.P. = M.P. – Discount. August 3, 2021 Category: [...]
107. 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 prefer.
03
Aug
107. 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 prefer. 50. C.P. = M.P. [...]
106. 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 the answer upto 2 decimal places. (c) Find the increase per cent of sugar consumed if cream of tomato soup is chosen over sweet corn soup. (d) Calculate ratio of calories from fat in sweet corn soup to the calories from fat in cream of tomato soup.
03
Aug
106. 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 [...]
90. A new computer costs Rs 1,00,000. The depreciation of computers is very high as new models with better technological advantages are coming into the market. The depreciation is as high as 50% every year. How much will the cost of computer be after two years?
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Aug
90. A new computer costs Rs 1,00,000. The depreciation of computers is very high as new models with better technological advantages are coming into the market. The depreciation is as high as 50% every year. How much will the cost of computer be after two years? 00 50. C.P. = M.P. – Discount. 90. A [...]
76. An average urban Indian uses about 150 litres of water every day. (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 together?
03
Aug
76. An average urban Indian uses about 150 litres of water every day. (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 [...]
67. Three bags contain 64.2 kg of sugar. The second bag contains 4/5 of the contents of the first and the third contains 45 1/2 % of what there is in the second bag. How much sugar is there in each bag?
03
Aug
67. Three bags contain 64.2 kg of sugar. The second bag contains 4/5 of the contents of the first and the third contains 45 1/2 % of what there is in the second bag. How much sugar is there in each bag? 50. C.P. = M.P. – Discount. August 3, 2021 Category: Chapter 8 - [...]
50. C.P. = M.P. – Discount.
03
Aug
50. C.P. = M.P. – Discount. 50. C.P. = M.P. – Discount. August 3, 2021 Category: Chapter 8 - Comparing Quantities , Maths , NCERT Class 8 ,