8th Class Mental Ability Data Handling Question Bank Statistics

  • question_answer
    Directions: A cosmetic company provides five different products. The sales of these five products (in lakh number of packs) during 1995 and 2000 are shown in the following bar graph.
    During the period 1995 - 2000, the minimum rate of increase in sales is in the case of

    A) Shampoos        

    B)        Nail enamels

    C) Talcum powders

    D)        Lipsticks

    E) None of these

    Correct Answer: A

    Solution :

    Explanation Option [a] is correct. The percentage increase from 1995 to 2000 for various products are: Lipsticks \[=\left[ \frac{\left( 48.17-20.15 \right)}{20.15}\times 100 \right]%=139.06%\] Nail enamels \[=\left[ \frac{\left( 37.76-5.93 \right)}{5.93}\times 100 \right]%=536.76%\] Talcum powders  \[=\left[ \frac{\left( 29.14-14.97 \right)}{14.97}\times 100 \right]%=94.66%\] Shampoos \[=\left[ \frac{\left( 12.21-7.88 \right)}{7.88}\times 100 \right]%=54.95%\,\,55%\] Conditioners  \[=\left[ \frac{\left( 10.19-5.01 \right)}{5.01}\times 100 \right]%=103.39%\] \[\therefore \] The minimum rate of increase in sales from 1995 to 2000 is the case of shampoos.


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