Questions by krutika

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A watch worth Rs 5400 is offered for sale at Rs 4,500. What per cent discount is offered during the

asked Jan 18, 2022 in 8th-maths

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In the year 2001, the number of malaria patients admitted in the hospitals of a state was 4,375. Every year this number decreases by 8%. Find the number of patients in

asked Jan 18, 2022 in 8th-maths

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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 18, 2022 in 8th-maths

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If principal = Rs 1,00,000. rate of interest = 10% compounded half yearly. Find Interest for next 6

asked Jan 18, 2022 in 8th-maths

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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

asked Jan 18, 2022 in 8th-maths

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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 18, 2022 in 8th-maths

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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 18, 2022 in 8th-maths

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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 18, 2022 in 8th-maths

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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 18, 2022 in 8th-maths

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Side of a rhombus and its perimeter are in ______

asked Jan 18, 2022 in 8th-maths

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By travelling at a speed of 48 kilometres per hour, a car can finish a certain journey in 10 hours. To cover the same distance in 8 hours, the speed of the car should

asked Jan 18, 2022 in 8th-maths

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If on increasing a, b decreases in such a manner that _______ remains ______ and positive, then a and b are said to vary inversely with each

asked Jan 18, 2022 in 8th-maths

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When the speed is kept fixed, time and distance vary inversely with each

asked Jan 18, 2022 in 8th-maths

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For fixed time period and rate of interest, the simple interest is directly proportional to the

asked Jan 18, 2022 in 8th-maths

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The variable x varies directly as y and x = 80 when y is 160. What is y when x is

asked Jan 18, 2022 in 8th-maths

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In a hostel of 50 girls, there are food provisions for 40 days. If 30 more girls join the hostel, how long will these provisions

asked Jan 18, 2022 in 8th-maths

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A water tank casts a shadow 21 m long. A tree of height 9.5 m casts a shadow 8 m long at the same time. The lengths of the shadows are directly proprotional to their heights. Find the height of the tank

asked Jan 18, 2022 in 8th-maths

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A regular hexagon is inscribed in a circle of radius r. The perimeter of the regular hexagon

asked Jan 18, 2022 in 8th-maths

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A covered wooden box has the inner measures as 115 cm, 75 cm and 35 cm and thickness of wood as 2.5 cm. The volume of the wood

asked Jan 18, 2022 in 8th-maths

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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 18, 2022 in 8th-maths

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