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8th Class Mathematics Data Handling Question Bank Data Handling

  • question_answer
    Monthly salary of a person is Rs. 15000. The central angle of the sector representing his expenses on food and house rent on a pie chart is \[\text{60 }\!\!{}^\circ\!\!\text{ }\]. The amount he spends on food and house rent is

    A)  Rs. 5000                    

    B)         Rs. 2500        

    C)         Rs. 6000                    

    D)         Rs. 9000        

    Correct Answer: B

    Solution :

    Monthly salary of a person = Rs. 15000 Central angle of expenses on food and house rent \[=60{}^\circ \] \[\therefore \] Amount spent on food and house rent \[\text{=}\frac{\text{Central angle}}{360{}^\circ }\times \text{Monthly salary}\] \[\text{=Rs}\text{.}\left( \frac{\text{60 }\!\!{}^\circ\!\!\text{ }}{\text{360 }\!\!{}^\circ\!\!\text{ }}\text{ }\!\!\times\!\!\text{ 15000} \right)\text{=Rs}\text{. 2500}\]


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