The average of five numbers is 27. If one number is excluded, the average becomes 21. The excluded number is?  Answers.
A) 48  B) 49  C) 50  D) 51  E) 52
Excluded number = (27 * 5) - (21 * 4)   = 135 - 84= 
<gadget id="calculator">135 - 84</gadget>
<output>51</output>
51.   Answer: 51
<result>D</result>
The average of five numbers is 27. If one number is excluded, the average becomes 21. The excluded number is?