Question Detail

The following pie chart shows the percentage distribution of the expenditure incurred in publishing a book. Study the pie chart and answer the following questions.

Which two expenditures together have a central angle of 108 degree in pie chart ?

Binding cost + Royalty cost
Printing cost + Paper cost
Binding cost + Transportation cost
Printing cost + Transportation cost

Answer: Option D

Explanation:

This type of question can be solved, first by getting 108 degree is what percent of 360, Then choosing the correct option.
So let solve,

108 is what percent of 360 ?
\begin{aligned}
= \frac{108}{360}*100 \% \\
= 30\% \text{ of expenditure} \\
\end{aligned}

So from the options given, it is clear that
Printing cost(20%) + Transportation cost(10%)
= 30%