The average mark of a class of twenty two students is 65. If four students whose marks are 25, 32,28 and 34 are removed , then find the approximate average mark of the remaining students of the class.	Pick one
A) 71
B) 73
C) 57
D) 70
E) 80
Exp. Total mark of 22 students = 65*22= 
<gadget id="calculator">65*22</gadget>
<output>1_430</output>
1430,   Total mark after the removal of 4 students= 1430 –(25+32+28+34 )   = 1430 – 119 = 1311   Approximate average mark = 1311/(22-4) = 1311/ 18 = 73   Answer: 73
<result>B</result>
The average mark of a class of twenty two students is 65. If four students whose marks are 25, 32,28 and 34 are removed , then find the approximate average mark of the remaining students of the class.