The present ages of two persons are 36 and 50 years respectively if after n years the ratio of their ages will be 3:4 then the value of n is
Present ages of the persons are 36 and 50 years respectively.
According to ques,
=> $$\frac{36+n}{50+n}=\frac{3}{4}$$
=> $$144+4n=150+3n$$
=> $$4n-3n=150-144$$
=> $$n=6$$
=> Ans - (D)
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