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# Arithmetic Aptitude :: Problems on Ages

## 8. 6 years ago Ram was twice as old as Shyam. If the ratio of their present ages is 9:5 respectively, what is the difference between their present ages in year?

Explanation :

As per Formula:
(If the given ages in a ratio a : b then age will be ax and bx)

So present Ram age will be = 9x and shyam age = 5x

6 Years ago:
Ram age will be = (9x-6) and shyam age = (5x-6)

as per the question:
(9x-6) = 2*(5x-6)
=>9x -6 = 10x - 12
=> x = 6

so difference between their ages = 4*6 = 24 years