The following pie chart represents the expenses of Jack on various items.
Find the ratio of central angle made by the food sector to the clothing sector?
A
12
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B
4
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C
13
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D
14
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Solution
The correct option is D14 Percentage of the food sector out of the total sectors =10%
Percentage of the clothing sector out of the total sectors =40%
In a pie chart, the total angle at the centre of the circle is 360∘.
∴ Central angle made by the food sector =10% of 360∘ =10%×360∘ =10100×360∘ =110×360∘ =36∘
∴ Central angle made by the clothing sector =40% of 360∘ =40%×360∘ =40100×360∘ =25×360∘ =144∘
Ratio of central angle made by the food sector to the clothing sector =36∘144∘ =14