The pie chart shows the distribution of students in a secondary school class. If 30 students offered French, how many offered C.R.K?

A.
25 
B.
15 
C.
10 
D.
8
Correct Answer: Option C
Explanation
(frac{30}{90}) x 30^{o}
= 10
(frac{30}{90}) x 30^{o}
= 10