The average of 50 numbers is 38. If two numbers 45 and 55 are discarded, the average of the remaining set of numbers is  Choose the correct option
A) 38.5 B) 37.5 C) 37.0 D) 36.5 E) None of these
Average of the remaining set of numbers   [50 x 38 - (45 + 55)] / (50 - 2)   = (1900 - 100) / 48= 
<gadget id="calculator">(1900 - 100) / 48</gadget>
<output>75/2 = around 37.5</output>
37.5   ANSWER:37.5
<result>B</result>
The average of 50 numbers is 38. If two numbers 45 and 55 are discarded, the average of the remaining set of numbers is