Multiple choice

The sum of the ages of a son and father is 56 years. After four years, the age of the father will be three times that of the son. Find the difference between their respective ages. एक पिता और पुत्र की आयु का योग 56 वर्ष है। चार वर्ष बाद, पिता की आयु पुत्र की आयु का तीन गुना हो जायेगी। उनकी आयु में अन्तर ज्ञात कीजिए।

  1. 30 years/वर्ष

  2. 32 years/वर्ष

  3. 34 years/वर्ष

  4. 36 years/वर्ष

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B Correct answer
Explanation

Let son's age = s, father's age = f. Given s + f = 56 and f + 4 = 3(s + 4). Substituting: f = 56 - s, so 60 - s = 3s + 12, 4s = 48, s = 12, f = 44. Difference = 44 - 12 = 32 years.