To solve the question, let's determine the boy's age and the girl's age based on the provided information.
Given:
Boy's age = 4 years old
Girl's age = twice the boy's age
Calculations:
Girl's age = 2 * Boy's age
Girl's age = 2 * 4
Girl's age = 8 years old
Now, to calculate the age of the girl after four years:
Girl's future age = Girl's current age + 4
Girl's future age = 8 + 4
Girl's future age = 12 years old
Therefore, the age of the girl after four years will be 12 years old.
This question tests analytical thinking and mathematical skills. Master this concept to excel in similar questions in interviews.
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