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    Question

    In each of the following questions, a question is followed by two or three statements. Read all the statements and find that which statements are required to answer the question and answer accordingly.

    Find the rate percent? I. The ratio of difference

    of C.I and S.I for 3 years and 2 years is 19:6. II. The difference between C.I and S.I on a certain sum of money of Rs 5,000 for 2 years is Rs 72.
    A Only I Correct Answer Incorrect Answer
    B Both I and II Correct Answer Incorrect Answer
    C Only II Correct Answer Incorrect Answer
    D Either I or II Correct Answer Incorrect Answer

    Solution

    From Statement I (PR²/4 (3+R/100))/(PR²/4) = 19/6 ⇒ (3+ R/100) = 19/6 ⇒ 3 + ( R)/100 = 19/6 ⇒ ( R)/100 = 19/6 - 3 ⇒ ( R)/100 = 1/6 ∴ R = 100/6 = 16 2/3 % per annum From statement II Rate = √((difference )/(principle )) × 100 Rate = √((72 )/(5000 ) ) × 100 = √((144 )/(10000 ) ) × 100 = 0.12×100 = 12% per annum

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