Question
<p>&lt;p&gt;A, B and C entered into a
partnership by investing in the ratio of 7:4:5. At the end of the year, the total profit is in the ratio of 21:4:10. Find the ratio of period of time they invested in the business.&lt;/p&gt;</p>Solution
<p><p>Ratio of investment = 7:4:5</p> <p>The ratio of profit = 21:4:10</p> <p>Ratio of period = ratio of profit/ratio of investment</p> <p>=&gt; 21/7 : 4/4 : 10/5</p> <p>=&gt; 3 : 1 : 2</p></p>
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