The average of five results is 46 and that of the first four is 45. The fifth result is :

a. 1
b. 10
c. 12.5
d. 50

• (45x4+x)/5=46
  x=50
• 11 years agoHelpfull: Yes(3) No(0)
• D)50
  FIRST FOUR AVG IS 45
  TO INCREASE IT TO 46 THERE MUST BE AN INCREASE OF (1*5) IN 5TH SUB
  HENCE 45+5=50
• 11 years agoHelpfull: Yes(2) No(0)
• answer is 50
• 6 years agoHelpfull: Yes(0) No(0)