Mixture Problems

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Mixture Problems

by swerve » Tue Apr 15, 2025 8:38 am

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A

B

C

D

E

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In a particular dilution technique, \(10\%\) of the solution is removed and replaced with the diluter. If we start with pure alcohol, minimum how many times would the operation need to be performed to bring the percentage of alcohol below \(65\%.\)

A. \(3\)
B. \(4\)
C. \(5\)
D. \(6\)
E. \(7\)

The OA is C
Source: — Problem Solving |