Delhi Police Constable practice question
Five years ago, a father was 4 times as old as his son. Fifteen years from now, the father will be twice as old as his son. Find the father's present age.
From a Delhi Police Constable Reasoning practice set · Reasoning
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Correct answer: (C) 45 years
Solving gives x=10, so the father's present age = 4×10+5 = 45 years.
हिंदी में प्रश्न
5 वर्ष पहले, एक पिता अपने बेटे से 4 गुना बड़ा था। अब से 15 वर्ष बाद, पिता अपने बेटे से दोगुना बड़ा होगा। पिता की वर्तमान आयु ज्ञात कीजिए।
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सही उत्तर: (C) 45 वर्ष
हल करने पर x=10 प्राप्त होता है, अतः पिता की वर्तमान आयु = 4×10+5 = 45 वर्ष
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