A father is now three times as old as his son fiver year back he was four times as old as his son the age os son (in year) is _____?

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A father is now three times as old as his son fiver year back he was four times as old as his son the age os son (in year) is _____? Answer: 15

Question context

This question is part of 📚 General Knowledge within the broader 🌐 Current Affairs & GK subject and appears in the ASF Airports Security Force preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.