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

 

  • Option 1)

     

    1

     

  • Option 2)

     

    10

     

  • Option 3)

     

    12.5

     

  • Option 4)

     

    50

     

  • Option 5)

     

    -

     

Answers (1)



Sum of 5 results = 46\ast 5= 230

Sum of the first 4 = 4\ast 45= 180

Fifth Number  = 230-180 = 50

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