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3 years ago Ambuj was thrice as old as Avinash. If the ratio of their percent ages is 8 : 3 respectively, what is the difference between their present ages in years?1). 32 years2). 30 years3). 28 years4). 35 years |
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Answer» Let present age of AMBUJ and Avinash be A years and B years respectively. ⇒ (A – 3) = 3(B – 3) ⇒ A – 3 = 3B – 9 ⇒ 3B – A = 6 Given, A : B = 8 : 3 ⇒ A = 8B/3 Solving EQUATIONS, ⇒ 3B – 8B/3 = 6 ⇒ 9B – 8B = 18 ⇒ B = 18 ⇒ A = (8 × 18)/3 ⇒ A = 48 Difference between the present ages of A and B = = 48 – 18 = 30 ∴ Difference between the present ages of Ambuj and Avinash is 30 years. |
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