The average of five results is 46 and that of the first four is 45. The fifth result is?
Choose the correct choice:
A) 18  B) 50  C) 27  D) 23  E) 12
5 * 46 – 4 * 45   = 50   Answer:50
<result>B</result>
The average of five results is 46 and that of the first four is 45. The fifth result is?