The percentage of people who like Cricket and hockey both is ______

Number of person who are in the Triangle and square both are the person who like cricket and hockey both.

Here, Number of people who like cricket and hockey both = 12 + 15 = 27

Total number of people = 9 + 17 + 15 + 12 + 6 + 21 + 8 = 88

Required percentage = $\frac{27}{88}×100 = 30.68$