Study the given graph and answer one questions that follows.

Degree wise distribution of no. of students working in Class (A, B, C, D and E)

Total no. of students = 3000

The number of students of Class A and Class B is what percent more or less than no. of students of class C and D.

6.97%

Total students of A and B (in degree) = 64.2° + 73.8° = 138°

Total students of Class C and D (in degree) = 129°

Students of C and D is less than A and B by 

138° - 129° = 9°

⇒ Req. Percentage = \(\frac{9}{129}\) × 100% = 6.97%