Question 62

The following pie chart shows the sectors representing the shares of the number of electric buses manufactured in each of 7 different colours in a given year in terms of the central angles (in degrees) with respect to the total number of buses manufactured during that year of all the 7 colours taken together.

What is the difference in the percentage shares of buses of C4 and C6? [Give your answer correct to 2 decimal places.]

Solution

difference in the degree shares of buses of C4 and C6 = $$48^{\circ\ }-18^{\circ\ }$$ = $$30^{\circ\ }$$

We know that $$360^{\circ\ }=\ 100\%$$.

So $$30^{\circ\ }=\ \frac{100}{12}\%$$

difference in the percentage shares of buses of C4 and C6 = $$\frac{100}{12}\%$$

= 8.33%

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