Rahul's age is three times the age of Sumit. If Rahul is 15 years old presently, determine the age (in years) of Sumit after 12 years.
Rahul's present age = 15 years
Also, Rahul's age is three times the age of Sumit, => Sumit's present age = $$\frac{15}{3}=5$$ years
$$\therefore$$ Age (in years) of Sumit after 12 years = $$12+5=17$$ years
=> Ans - (D)
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