 # Exams - CAT

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An empty swimming pool can be filled to capacity through an inlet pipe in 3 hours, and it can be completely drained by a drainpipe in 6 hours. If both pipes are fully open at the same time, in how many hours will the empty pool be filled to capacity?

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A portion of \$7200 is invested at a 4% annual return, while the remainder is invested at a 5% annual return. If the annual income from both portions is the same, what is the total income from the two investments?

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Five years ago, Beth's age was three times that of Amy. Ten years ago, Beth\'s age was one half that of Chelsea. If C repre- sents Chelsea's current age, which of the following represents Amy's current age?

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If .2t = 2.2 - .6s and .5s = .2t 1.1, then s =

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What is the greatest value of a positive integer n such that 3n is a factor of 1815?

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