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Banking Quantitative Aptitude Sample Paper Quantitative Aptitude Sample Paper-3

  • question_answer
    A, B and C started a business by investing Rs. 20000, Rs. 28000 and Rs. 36000 respectively. After 6 months, A and B withdrew an amount of Rs. 8000 each and C invested an additional amount of Rs. 8000. All of them invested for equal period of time. If at the end of the year, C got Rs. 12550 as his share of profit, what was the total profit earned?                                                                                                             [IBPS RRB (Officer) 2015]

    A)  Rs. 25100

    B)  Rs. 26600

    C)  Rs. 24300

    D)  Rs. 22960

    E)  Rs. 21440

    Correct Answer: A

    Solution :

    [a] Ratio of profits = Ratio of investments
    \[=(20000\times 6)+(20000-8000)\times 6:\]
                \[(28000\times 6)+(28000-8000)\times 6:\]
                \[(36000\times 6)+(36000+8000)\times 6\]
    \[=20\times 6+12\times 6:28\times 6+20\times 6:36\times 6+44\times 6\]
    \[=120+72:168+120:216+264\]
    \[=192:288:480=2:3:5\]
    Let the total profit earned be Rs. x.
    Given, C’s share \[=Rs.12550\]\[\Rightarrow \]\[\frac{5}{10}\times x=12550\]
    \[\Rightarrow \]   \[x=12500\times 2=Rs.\,25100\]
    Hence, total profit earned be Rs. 25100


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