8. The ages of Boris and Johnson are in the ratio of 4:5. Fifteen years ago their ages were in the ratio of
2:3. The present age of Boris is
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Step-by-step explanation:
After 44 years, the ratio of their ages =11:10=11:10
⇒(6x+10):(5x+10)=11:10⇒10(6x+10)=11(5x+10)⇒5x=10⇒x=105=2⇒(6x+10):(5x+10)=11:10⇒10(6x+10)=11(5x+10)⇒5x=10⇒x=105=2
Saroj's present age
=(5x+6)=5×2+6=16
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