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Following are the car parking charges near a railway station upto 4 hours Rs 60 8 hours Rs 100 12 hours Rs 140 24 hours Rs 180Check if the parking charges are in direct proportion to the parking

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

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In Question 2 above, if 1 part of a red pigment requires 75 mL of base, how much red pigment should we mix with 1800 mL of

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

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In a model of a ship, the mast is 9 cm high, while the mast of the actual ship is 12 m high. If the length of the ship is 28 m, how long is the model

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

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The area of a circle is given by the expression `πx^2 + 6πx + 9π`. Find the radius of the

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

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By what number should we multiply `(–29)^0` so that the product becomes

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

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By what number should `((-3)/2)^(-3)` be divided so that the quotient may be `(4/27)^(-2)`

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

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Harshna gave her car for service at service station on 27-05-2009 and was charged as follows: (a) 3.10 litres engine oil @ Rs 178.75 per litre and VAT @ 20%. (b) Rs 1,105.12 for all other services and VAT @ 12.5%. (c) Rs 2,095.80 as labour charges and service tax @10%. (d) 3% cess on service Tax. Find the bill

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

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The ratio of the radius and height of a cylinder is 2:3. If its volume is 12,936 `cm^3`, find the total surface area of the

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

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The value of `3 xx 10^(-7)` is equal to

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

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By solving `(6^0 – 7^0) xx (6^0 + 7^0)` we get

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

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`a^m xx b^m =

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

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Express each of the following in standard form: -1. (a) The mass of a proton in gram is `1673/1000000000000000000000000000` (b) A Helium atom has a diameter of 0.000000022

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

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

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Write. The rational numbers that are equal to their

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

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Write five rational numbers which are smaller than

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

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A bag has 4 red balls and 2 yellow balls. (The balls are identical in all respects other than colour). A ball is drawn from the bag without looking into the bag.What is probability of getting a red ball? Is it more or less than getting a yellow

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

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When a die is thrown, list the outcomes of an event of getting(i) (a) a prime number (b) not a prime number. (c) a number greater than 5 (d) a number not greater than

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

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Find the number of digits in the square root of each of the following numbers (without any calculation). 4489

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

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In a right triangle ABC, ∠B = 90°. If AC = 13 cm, BC = 5 cm, find

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

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A rational number is such that when you multiply it by `5/2` and add `2/3` to the product, you get `-7/12`. What is the

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

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