In the exam the average was found to be p mark. After deducting typographical error the average marks of 104 student reduced from 94 to 64 . Due to this the average came down by 16 marks. What was the number of students who took the exam?  Select.
A) 100	B) 120	C) 110	D) 195	E) 160
Explanation :   Number of student = (94-64) * 104/16= 
<gadget id="calculator">(94-64) * 104/16</gadget>
<output>195</output>
195   Answer : 195
<result>D</result>
In the exam the average was found to be p mark. After deducting typographical error the average marks of 104 student reduced from 94 to 64 . Due to this the average came down by 16 marks. What was the number of students who took the exam?