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What is the smallest number which when divide by 7,8 and 9 leave a remainder of 5,4 and 2 resp.Please explain the approach.TIA?

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Find the sum of all three digit number having digits without repetition..

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The hourly percentage increase in number of bees in a colony increases by 10 percentage points every hour. In the first hour, the increase in number of bees is 20%. Find the effective increase in number of bees in 2nd hour, if there are 1248 more bees in the third hour when compared to second hour?

Sum of all the 3 digit numbers if repetition is not allowed?

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A man purchased 120kg of sugar and was forced to sell it at a loss equal to selling price of 30kg of sugar. if he purchased each kg of sugar for rs.15, then at what price(in rs.) did he sell each kg of sugar?

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