The ratio of sonu age to विजय age 3:4 and sonu age to subodh age 4 :5 total of their ages is 86 find their present age
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let there present ages be 4x,5x
therefore after 8 years there ages will be 4x+8,5x+8
given 4x+8:5x+8=5:6
⇒6(4x+8)=5(5x+8)
therefore x=8
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