A) 3 years
B) 4 years
C) 5 years
D) 6 years
Correct Answer: D
Solution :
The age of the youngest child = x years (let) According to the question. \[x+x+3+x+6+x+9+x+12+x+15=81\]\[\Rightarrow \]\[6x+45=81\] \[\Rightarrow \] \[6x=81-45=36\] \[\Rightarrow \] \[x=\frac{36}{6}=6\] yearsYou need to login to perform this action.
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