13 the average age of man and his son is 27yr. the ratio of their ages is 8 : 1 respectively. What will be their son's are after 6 year?
Correct Answer: Description for Correct answer:
Let ages of man and his son are 8x yr and x yr, respectively.
According to the question,
\( \large\frac{8x + x}{2} = 27 = > x = \frac{27 x 2}{9} = 6 \)
Hence, age of son after 6 yr = 6 + 6 = 12 yr
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