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9th Class Mathematics Probability Question Bank Probability

  • question_answer
    A pie chart given alongside shows the mode of transport uses by a man. On the basis of data given in pie chart, what is the possibility that a man chooses scooter as a mode of transport?

    A)  \[\frac{2}{5}\] 

    B)  \[\frac{3}{5}\]

    C)  \[\frac{4}{5}\]                         

    D)  \[\frac{1}{5}\]

    Correct Answer: A

    Solution :

    (a): Corresponding angle to scooter \[={{360}^{{}^\circ }}-\left( {{120}^{{}^\circ }}+{{72}^{{}^\circ }}-{{24}^{{}^\circ }} \right)={{144}^{{}^\circ }}\] \[n\left( P \right)=\frac{144}{{{360}^{{}^\circ }}}=\frac{2}{5}\]                      


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