Multiple Choice Questions on A district has 64000 inhabitants If the population increases at the rate of 2 1 2 per annum then the........... for Mathematics - All Exams Preparation

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Multiple Choice Questions

A district has 64000 inhabitants If the population increases at the rate of 2 1 2 per annum then the...........

Quantitative Aptitude ( CCS) Percentage
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    A district has 64000 inhabitants. If the population increases at the rate of 2 * 1/2 % per annum, then the number of inhabitants at the end of 3 years will be :

    65380

    Incorrect Answer

    68921

    Correct Answer

    70987

    Incorrect Answer

    72345

    Incorrect Answer
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    Explanation:

    Population afer 3 years = 64000 * (1 +  5/(2 *100) )3

    = (64000 * 41/40 * 41/40 * 41/40 ) = 68921.

    Hence, option 2 is the correct answer.

    By: Amit Kumar
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