Questions by vaibhav

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_________ is charged on the sale of an item by the government and is added to the bill

asked Jan 18, 2022 in 8th-maths

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The discount on an item for sale is calculated on the

asked Jan 18, 2022 in 8th-maths

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The cost of a sewing machine is Rs 7,000. Its value depreciates at 8% p.a. Then the value of the machine after 2 years is Rs

asked Jan 18, 2022 in 8th-maths

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The original price of a shampoo bottle bought for Rs 324 if 8% VAT is included in the price is Rs

asked Jan 18, 2022 in 8th-maths

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Find discount in per cent when (a) M.P. = Rs 625 and S.P. = Rs 562.50 (b) M.P. = Rs 900 and S.P. = Rs

asked Jan 18, 2022 in 8th-maths

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In 1975, the consumption of water for human use was about 3850 cu.km/year. It increased to about 6000 cu.km/year in the year 2000. Find the per cent increase in the consumption of water from 1975 to 2000. Also, find the annual per cent increase in consumption (assuming water consumption increases

asked Jan 18, 2022 in 8th-maths

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The following items are purchased from showroom: T-Shirt worth Rs 1200. Jeans worth Rs 1000. 2 Skirts worth Rs 1350 each. What will these items cost to Shikha if the sales tax is

asked Jan 18, 2022 in 8th-maths

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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 18, 2022 in 8th-maths

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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 18, 2022 in 8th-maths

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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 18, 2022 in 8th-maths

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In a scout camp, there is food provision for 300 cadets for 42 days. If 50 more persons join the camp, for how many days will the provision

asked Jan 18, 2022 in 8th-maths

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Both x and y vary inversely with each other. When x is 10, y is 6, which of the following is not a possible pair of corresponding values of x and

asked Jan 18, 2022 in 8th-maths

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Assuming land to be uniformly fertile, the area of land and the yield on it

asked Jan 18, 2022 in 8th-maths

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Which quantities in the previous question vary inversely with each

asked Jan 18, 2022 in 8th-maths

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Meenakshee cycles to her school at an average speed of 12 km/h and takes 20 minutes to reach her school. If she wants to reach her school in 12 minutes, her average speed should

asked Jan 18, 2022 in 8th-maths

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If x varies directly as y, then x 12 6 y 48

asked Jan 18, 2022 in 8th-maths

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On increasing a, b increases in such a manner that `b/a` remains______ and positive, then a and b are said to vary directly with each

asked Jan 18, 2022 in 8th-maths

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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 18, 2022 in 8th-maths

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160 `m^3` of water is to be used to irrigate a rectangular field whose area is 800 `m^2`. What will be the height of the water level in the

asked Jan 18, 2022 in 8th-maths

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A cube of side 4 cm is cut into 1 cm cubes. What is the ratio of the surface areas of the original cubes and cut-out

asked Jan 18, 2022 in 8th-maths

Questions by vaibhav

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