The ratio between the present ages of Ravi and Jai is 3:2. If Ravi was 6 years older than Jai, four years back, how old is Jai now?

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RRB ASSISTANT LOCO PILOT (Patna) 2013 click here to view all questions

The ratio between the present ages of Ravi and Jai is 3:2. If Ravi was 6 years older than Jai, four years back, how old is Jai now?

A6 years

B12 years

C18 years

DData inadequate

rahul ? Jan 14 '2020 at 14:53

Correct answer is: 12 years

Explanation:

Let Ravi's age = 3x years. Then, Jai's age = 2x years
(3x − 4) = 2x − 4 + 6 ⇒ x = 6
Jai's present age = (2 x 6) years = 12 years.

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Correct answer is: 12 years Explanation: Let Ravi's age = 3x years. Then, Jai's age = 2x years (3x − 4) = 2x − 4 + 6 ⇒ x = 6 Jai's present age = (2 x 6) years = 12 years. rahul ? answered Jan 14 '2020 at 14:53 All Comments

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