Question
A mixture contains ‘x’% milk. 30% of this mixture is
taken out and is replaced with same quantity of water. This procedure is repeated two more times. If the resultant mixture contains 20.58% milk, then find the value of ‘x’.Solution
According to question, => 20.58 = x × (7/10) × (7/10) × (7/10) => x = 60
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