​solve

​solve Social A survey is conducted in a class to know the favourite subjects of the students The findings of the survey are shown by the given pie-chart Physical Maths 420 Science English

Dear student,
Here is the solution of your asked query:
number of students answered Maths as its favourite subject = 30
total number of students in the class = 120+60+42+48+30+60=360
therefore percentage of maths as its favourite subject = $\frac{30}{360}\times 100=\frac{100}{12}=8.33\%$
Regards