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Discussion

  1. The average age of A,B,C,D and E is 40 years.The average age of A and B is 35 years and the average age of C and D is 42 years .The age of E is
    1. 46
    2. 48
    3. 32
    4. none of these
  1. Correct Option: A

    Age E = ( A + B + C + D + E ) - [ ( A + B ) + ( C + D ) ]
    = ( 40 x 5 ) - [ ( 35 x 2 ) + ( 42 x 2 )]
    =200 - ( 70 + 84)
    = 200 - 154
    = 46


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