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Question

Figure shows the sale of mobiles of different brands.
Select the mobile brand whose sale is 0.25 of the Nokia.

A
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B
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C
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D
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Solution

The correct option is B
Sale of mobile phone is proportional to the area or central angle covered by it in pie-chart.

From the figure we see that only Redmi and Oppo mobiles have sales less than that of Nokia.

Therefore,
Sale of Redmi mobilesSale of Nokia mobiles=35600.580.25

and,
Sale of Oppo mobilesSale of Nokia mobiles=1560=0.25

Hence, Oppo mobiles have sales equal to 0.25 of the sales of Nokia mobiles.


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