The age of amit and his sister are in the ratio of 5 : 4. If amit is 45 years old, how old is his sister.

Can Someone Help Me Solve this Qtn?.

*x*and his sister's age be 4

*x*.

Amit's age = 45

$\Rightarrow 5x=45\phantom{\rule{0ex}{0ex}}\Rightarrow x=\frac{45}{5}\phantom{\rule{0ex}{0ex}}\Rightarrow x=9$

Thus, his sister's age = 4

*x*= 36 years

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