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SSC Sample Paper SSC (Group-C) Sample Test Paper-6

  • question_answer
    The present population of a city is 80.000. If the rate of growth is 5% per year, find its population after 3 years.

    A)  \[88.100\]                   

    B)  \[95.600\]

    C) \[92.610\]             

    D)      \[84.600\]

    Correct Answer: C

    Solution :

     Required population \[=P{{\left( 1+\frac{R}{100} \right)}^{T}}\] \[=80000{{\left( 1+\frac{5}{100} \right)}^{3}}=80000{{\left( \frac{21}{20} \right)}^{3}}\] \[=80000\times \frac{21}{20}\times \frac{21}{20}\times \frac{21}{20}=92610\]


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