The average marks of 30 students are 45 but after checking there are two mistakes found. After adjustment if a student got 45 more markes and other student got 15 less marks, then What will be the adjusted average?  Select
A) 45 B) 44 C) 47 D) 46 E) None of these
Answer   Total number of all students of the class = 30 x 45 = 1350   ∴ New average after adjustment = (1350 - 45 + 15)/30 = 1320/30= 
<gadget id="calculator">1320/30</gadget>
<output>44</output>
44   Correct Option: 44
<result>B</result>
The average marks of 30 students are 45 but after checking there are two mistakes found. After adjustment if a student got 45 more markes and other student got 15 less marks, then What will be the adjusted average?