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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
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Jan 17, 2022
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A batch of bottles were packed in 25 boxes with 12 bottles in each box. If the same batch is packed using 20 bottles in each box, how many boxes would be
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Jan 17, 2022
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A car takes 2 hours to reach a destination by travelling at the speed of 60 km/h. How long will it take when the car travels at the speed of 80
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Jan 17, 2022
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The sum of (x + 5) observations is `x^4 – 625`. Find the mean of the
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marks3
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`(–10) xx (–10) xx (–10) xx (–10) =
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Jan 17, 2022
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By multiplying `(10)^5` by `(10)^(–10)` we get
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The value of `3 xx 10^(-7)` is equal to
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`(–4)^(–4) xx (4)^(–1) =
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The expontential form for `(–2)^4 xx (5/2)^4` is
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Large numbers can be expressed in the standard form by using positive
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`(2^n xx 2^6)/2^(-13) =
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Amna purchased a toy for Rs 660 including sales tax. If the rate of sales tax is 10%, then the selling price of the toy is
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When the interest is compounded half yearly, the number of conversion periods in a year is
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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
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Overhead charges, if any, are sometimes included in the cost
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40% of [100 – 20% of 300] is equal
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Discount = Discount % of
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_________ is charged on the sale of an item by the government and is added to the bill
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By selling an article for Rs 1,12,000 a girl gains 40%. The cost price of the article was
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Number of students appearing for class X CBSE examination increases from 91,422 in 1999–2000 to 11,6054 in 2008–09. Increase in the number of students appeared is approximately
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