A, B, C, D, E are the five electronic shops in the Naza market, which have 20, 30, 60, 80 and 50 T. V . sets with them respectively, then the average number of T. V. sets in each shop is  Choose the correct answer.
A) 24  B) 48  C) 50  D) 60  E) None
Answer   Average number of T. V. sets   = ( 20 + 30 + 60 + 80 + 50 ) / 5= 
<gadget id="calculator">( 20 + 30 + 60 + 80 + 50 ) / 5</gadget>
<output>48</output>
48   Correct Option: 48
<result>B</result>
A, B, C, D, E are the five electronic shops in the Naza market, which have 20, 30, 60, 80 and 50 T. V . sets with them respectively, then the average number of T. V. sets in each shop is