The ratio of age of two boys is 5 ∶ 6, after two years the ratio will be 7 ∶ 8. Then find the ratio of their ages after 12 yrs 

1
\(\frac{21}{22}\)
2
\(\frac{15}{16}\)
3
\(\frac{17}{18}\)
4
\(\frac{11}{12}\)

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