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    Question

    Calculate the value of 'a' if 'P' initially had Rs. 'a'

    and invested 45% of this amount in a PF A with a simple interest rate of 35% per annum and the rest in a PF B with a compound interest rate of 30% per annum (compounded annually). After 2 years, 'P' received a total interest of Rs. 3333.6 from both PFs.
    A 4500 Correct Answer Incorrect Answer
    B 4800 Correct Answer Incorrect Answer
    C 5252 Correct Answer Incorrect Answer
    D 5000 Correct Answer Incorrect Answer
    E none of these Correct Answer Incorrect Answer

    Solution

    According to question; (0.45 Ă— 0.35 Ă— a Ă— 2) + (0.55 Ă— 0.69 Ă— a) = 3333.6 0.315a + 0.3795a = 3333.6 0.6945a = 3333.6 a = 4800

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