V

Vaibhav Shukla • 4.53K Points
Extraordinary Math

(A) 12
(B) 13
(C) 14
(D) 15
Correct Answer - Option(A)
Explanation by: Vaibhav Shukla
Given that , The average age of A, B, D, E = 6 years.
Age of C = 8 years
The average age of four boys A, B, C and D = 5 years
⇒ A + B + C + D = 20 years
⇒ A + B + D = 20 – 8 = 12 years
∴ The average age of A, B, D, E = 6 years.
Now, A + B + D + E = 24 years
∴ E = 24 – 12 = 12 years 

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