According to the Bhubaneswar college's stream chart, how many more students study Arts than Commerce?

Explanation

1. 01

   Difference in angle: $126^\circ - 72^\circ = 54^\circ$.

2. 02

   Each degree stands for $1{,}800 \div 360 = 5$ students.

3. 03

   Difference: $54 \times 5 = 270$ students.