Today is Varun's birthday. One year, from today he will be twice as old as he was 12 years ago. How old is Varun today ?
Question
Solution 1
Let's denote Varun's current age as X.
According to the problem, one year from today, Varun will be twice as old as he was 12 years ago.
This can be written as an equation: X + 1 = 2 * (X - 12)
Solving this equation will give us Varun's current age.
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