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

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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