Multiple Choice Questions on Two friends P and Q started a business investing in the ratio of 5 6 R joined them after six months ........... for Mathematics - All Exams Preparation

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Multiple Choice Questions

Two friends P and Q started a business investing in the ratio of 5 6 R joined them after six months ...........

Quantitative Aptitude ( CCS) Partnership
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    Two friends P and Q started a business investing in the ratio of 5:6. R joined them after six months investing an amount equal to that of Q's. At the end of the year, 20% profit was earned which was equal to 98,000. What was the amount invested by R?

    Rs. 210000

    Correct Answer

    Rs. 105000

    Incorrect Answer

    Rs. 175000

    Incorrect Answer

    Data inadequate

    Incorrect Answer
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    Explanation:

    20% of total investment = 98000

    Therefore total investment = 490000

    Annual investment of P = 5x * 12 = 60x

    That of Q = 6x * 12 = 72x

    That of R = 6x * 6 = 36x ( Because R invested for 6 months)

    Therefore, 60x + 72x + 36x = 490000 * 12 (We multiplied the total investment- 490000 by 12 to make it annual total investment.)

    Or, 168x = 490000 * 12

    Or X = 35000

    Therefore R's investment is 6x or 6 * 35000= 210000.

    Hence, option 1 is the correct answer.

    By: Amit Kumar
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