V

Vaibhav Shukla • 4.53K Points
Extraordinary Math 

Q. 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

  • (A) 46
  • (B) 48
  • (C) 32
  • (D) 36
Correct Answer - Option(A)
Explanation by: Vaibhav Shukla 
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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