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If `x-1/x=7` then find the value of

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

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If x be any non-zero integer and m, n be negative integers, then `xm xx xn` is equal

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

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For a non-zero rational number p, `p^13 -: p^8` is equal

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

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`5^5 xx 5^(–5)` =

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

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The usual form of `3.41 xx 10^6` is

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

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To add the numbers given in standard form, we first convert them into numbers with __

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

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The standard form for 0.000000008 is

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

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If `(5^m xx 5^3 xx 5^(-2))/5^-5 = 5^12`, find

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

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Fill in the blanks

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

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Arnav buys a book costing Rs 600. If the rate of sales tax is 7%, then the total amount payable by him is Rs

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

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C.P. = M.P. –

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

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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 17, 2022 in 8th-maths by vaibhav (1.7k points)

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Arunima bought household items whose marked price and discount % is as follows: Item Quantity Rate Amount Discount% (a) Atta 1 packet 200 200 16% (b) Detergent 1 packet 371 371 22.10% (c) Namkeen 1 packet 153 153 18.30% Find the total amount of the bill she has to

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

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What is the percentage increase or decrease in the number of seats won by A, B, C and D in the general elections of 2009 as compared to the results of 2004? Political party Number of seats wonin 2004 Number of seats wonin 2009 ABCD 206116411 1451382412

asked Jan 17, 2022 in 8th-maths by Simran (1.8k 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 vaibhav (1.7k 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 Simran (1.8k points)

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When two quantities are related in such a manner that if one increases and the other decreases, then they always vary

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

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If 25 metres of cloth costs Rs 337.50, then (i) What will be the cost of 40 metres of the same type of cloth? (ii) What will be the length of the cloth bought for Rs

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

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Campus and Welfare Committee of school is planning to develop a blue shade for painting the entire school building. For this purpose various shades are tried by mixing containers of blue paint and white paint. In each of the following mixtures, decide which is a lighter shade of blue and also find the lightest blue shade among all of them. If one container has one litre paint and the building requires 105 litres for painting, how many container of each type is required to paint the building by darkest blue

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

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