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    Question

    Mr. Manohar invested Rs.5,000 partly with Bank A under

    scheme III and remaining with Bank C under scheme IV for 2 years. The total interest after 2 years is Rs.420. What is the ratio of the sum invested with Bank A and Bank C?
    A 4 : 1 Correct Answer Incorrect Answer
    B 2 : 3 Correct Answer Incorrect Answer
    C 1: 4 Correct Answer Incorrect Answer
    D 3 : 2 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    Let sum be invested in Bank A be x and in Bank C be Rs. 5000 - x So `(x xx 4 xx 2)/100 + ((5000-x) xx 5 xx 2)/100 = 420` `OR (8x)/100 + (50000-10x)/100 = 420` `or (50000-2x)/100=420 ` `or 50000-2x = 42000` `or 2x = 8000` `x = 4000` So Sum invested with Bank A = Rs. 4000 & Sum invested with Bank C = Rs. 1000 Hence the required ratio = 4000:1000 = 4:1

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