Question 42

Arun is celebrating his birthday today. On his next birthday, he will be twice his age that was 12 years ago. How old is Arun today?

Solution

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Let the present age of Arun = a

According to the problem,

$$a+1=2\left(a-12\right)$$

$$a+1=2a-24$$

$$a=25$$

$$\therefore\ $$Arun is 25 years old today

Hence, the correct answer is Option B

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