In a class of 25 students in an examination in maths 3 students scored 95 marks each, 3 get zero each and the average of the rest was 45. What is the average of the whole class?
Choose the correct choice:
A) 47
B) 45.6
C) 44
D) 48
E) 49
Explanation:   Total marks obtained by a class of 25 students   = 3*95 + 3*0 + 19 * 45= 
<gadget id="calculator">3*95 + 3*0 + 19 * 45</gadget>
<output>1_140</output>
1140   Average marks of whole class= 1140/25= 
<gadget id="calculator">1140/25</gadget>
<output>228/5 = around 45.6</output>
45.6   Answer: Option 45.6
<result>B</result>
In a class of 25 students in an examination in maths 3 students scored 95 marks each, 3 get zero each and the average of the rest was 45. What is the average of the whole class?