A 55 gallon barrel contains a mixture with a concentration of 40 How much of this mixture must be withdrawn

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Pure mathematics is the world's best game. It is more absorbing than chess, more of a gamble than poker, and lasts longer than Monopoly. It's free. It can be played anywhere - Archimedes did it in a bathtub.

Richard J. Trudeau, Dots and Lines

Arithmetic is numbers you squeeze from your head to your hand to your pencil to your paper till you get the answer.

Carl Sandburg

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Latest book Aptitude Question SOLUTION: A 55-gallon barrel contains a mixture with a concentration of 40%. How much of this mixture must be withdrawn and replaced by 100% concentrate to bring the mixture up to 75% concen

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(#M40056487) BOOK Numerical Ability question Keep an EYE

A 55-gallon barrel contains a mixture with a concentration of 40%. How much of this mixture must be withdrawn and replaced by 100% concentrate to bring the mixture up to 75% concen

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