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    Question

    <p><p>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.</p></p>
    A 2:3:2 Correct Answer Incorrect Answer
    B 2:1:2 Correct Answer Incorrect Answer
    C 3:1:2 Correct Answer Incorrect Answer
    D 1:2:3 Correct Answer Incorrect Answer
    E 3:2:1 Correct Answer Incorrect Answer

    Solution

    <p>&lt;p&gt;Ratio of investment = 7:4:5&lt;/p&gt; &lt;p&gt;The ratio of profit = 21:4:10&lt;/p&gt; &lt;p&gt;Ratio of period = ratio of profit/ratio of investment&lt;/p&gt; &lt;p&gt;=&amp;gt; 21/7 : 4/4 : 10/5&lt;/p&gt; &lt;p&gt;=&amp;gt; 3 : 1 : 2&lt;/p&gt;</p>

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