Multiple Choice Questions on How much money did X invest I An increase in the Simple Interest from 39 8 to 41 8 per annum increas........... for Mathematics - All Exams Preparation

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Multiple Choice Questions

How much money did X invest I An increase in the Simple Interest from 39 8 to 41 8 per annum increas...........

Quantitative Aptitude ( CCS) Data Sufficiency
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    How much money did X invest?

    I. An increase in the Simple Interest from 39/8 % to 41/8 % per annum increases his yearly income by 25%.

    II. The sum invested gets doubled, when invested at 8% per annum for 25/2 year.

     If the data in statement I alone is sufficient to answer the question.

    Correct Answer

    If the data in statement II alone is sufficient to answer the question.

    Incorrect Answer

    If the data either in statement I alone or statement II alone are sufficient to answer the question.

    Incorrect Answer

     If the data given in both I and II together are not sufficient to answer the question.

    Incorrect Answer

     If the data in both the statements I and II together are necessary to answer the question

    Incorrect Answer
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    Explanation:

    Invested amount – x
    From Statement I, Increased Rate of interest = (41/8) – (39/8) = 2/8 =1/4
    x*(1/4)*(1/100) = 25 => x=10000
    From Statement II, we can’t find x.

    Hence, option 1 is the correct answer.

    By: Amit Kumar
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