Question

Maria is 15 year old .she is thrice as old as anum. how old will be anum after five years?​

Answer 1

3x = 15

x = 15/3

x = 5

So, Anum's present age is 5 years

After 5 years = 5 + 5 = 10 years

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Answer 2

Given,

Current age of Maria $\[ = 15\,years\]$

Solution,

Calculate the Anum age after five years.

Consider the current age of Anum is x years.

$\[\begin{array}{l}3x = 15\\ \Rightarrow x = 5\,years\end{array}\]$

Anum age after five years.

$\[\begin{array}{l} = 5 + 5\,\\ = 10years\end{array}\]$

Hence the Anum age after five years will be $\[10years\]$.