New Enroll in RBI Grade B New Batch - Starts on May 21

    Question

    A&B started a business together with a total investment

    of Rupees 24,000 such that investment made by B rupees 8000 less than that by A. After four months, A reduced his investment to half while B doubled his investment and C joined by making an investment of rupees 12,000. If the difference between the profit received by A&C at the end of year is Rupees 4200, then find the total annual profit received by all of them together.
    A 56,200 Correct Answer Incorrect Answer
    B 51,200 Correct Answer Incorrect Answer
    C 49,700 Correct Answer Incorrect Answer
    D 54,600 Correct Answer Incorrect Answer
    E 50,400 Correct Answer Incorrect Answer

    Solution

    Let the initial investment made by A be rupees X.\ Therefore, initial investment made by B = x-8000 Or x+x-8000=24000 2x=32000 x= 16000 Therefore, initially investment made by A&B is rupees 16,000 and rupees 8000 respectively. Ratio of  profit received by A, B and C = {(16,000 * 4)+(8000 * 8.)}: {(8000*4)+(16,000 * 8.)}:(12,000 * 8) = 4:5:3 Required profit received = 4200*{(4+5+3)/(4-3)} =  Rs. 50,400

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