Comparing Quantities

In Delhi University, in the year 2009 – 10, 49,000 seats were available
for admission to various courses at graduation level. Out of these
28,200 seats were for the students of General Category while 7,400
seats were reserved for SC and 3,700 seats for ST. Find the per centage
of seats available for
(i) Students of General Category.
(ii) Students of SC Category and ST Category taken together.