How many students passed in first class?
Statements:
$I$. $85 \%$ of the students who appeared in the examination have passed either in first class,second class,or pass class.
$II$. $750$ students have passed in second class.
$III$. The number of students who passed in pass class is $28 \%$ of those who passed in second class.

• A
  All $I, II$ and $III$
• B
  Only $I$ and $III$
• C
  Only $II$ and $III$
• D
  Question cannot be answered even with information in all three statements.