7th Class Mathematics Decimals and Fractions Question Bank Statistics

  • question_answer

    DIRECTIONS (Qs. 23 to 25): Read the passage(s) given below and answer the questions that follow.         Passage-1 The number of people visiting a public library each day was noted:                                          Complete the frequency table given below for the results and answer the questions that follows:  

    Calculate the percentage of days on which at least 190 people visited the library?

    A)  25%               

    B)           8%

    C)  4%                 

    D)           10%

    Correct Answer: B

    Solution :

         No. of days on which at least 190 people visited = 4 Total number of days =50 \[\therefore \]  Required \[%=\,\left( \frac{4}{50}\times 100 \right)\,%\,=8%\]


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