Question

Chart shows the number of students who take classes at a tutoring

centre. Each student only takes one subject at the centre.
Question A) If 150 students take science classes, what is the total

number of students taking classes in all the subjects

a) 300 b) 400 c) 500 d) 600

Question B) The number of students taking math classes are :

a) 300 b) 400 c) 500 d) 600​

Answer 1

Answer:

A) 90°=150

so total 360°=150/90×360=600 students

B) mathematics =180°

so for maths =150/90×180

=300 students