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7th Class Mental Ability Algebraic Expressions Question Bank Algebra

  • question_answer
    In a certain year the population of London is 200000. If it increases at the rate of 6.5 % per annum then what will be its population after 2 years?

    A) 226845   

    B)               228645

    C) 224685     

    D)               228465

    E) None of these

    Correct Answer: A

    Solution :

    Explanation Population after 2 years \[= \,200000 {{\left( 1+\frac{6.5}{100} \right)}^{2}} = 226845.\] 


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