The average mark of a class of thirty two students is 75. If three students whose marks are 28 and 34 are removed , then find the approximate average mark of the remaining students of the class.  Choose the correct choice from the following options.
A) 71
B) 74
C) 78
D) 70
E) 80
Exp. Total mark of 32 students = 75*32= 
<gadget id="calculator">75*32</gadget>
<output>2_400</output>
2400,   Total mark after the removal of 2 students= 2400 –(28+34)   = 2400 – 62 = 2338   Approximate average mark = 2338/(32-2) = 2338/30 = 78   Answer: 78
<result>C</result>
The average mark of a class of thirty two students is 75. If three students whose marks are 28 and 34 are removed , then find the approximate average mark of the remaining students of the class.