Multiple choice

The present age of a father is 3 years more than three time the age of his son. Three years hence, father’s age will be 10 years more than twice the age of the son. The father’s present age is? पिता की वर्तमान आयु उसके पुत्र की आयु का तीन गुना से 3 वर्ष अधिक है. तीन वर्ष बाद , पिता की आयु उसके पुत्र की आयु के दुगने से 10 वर्ष अधिक है. तो पिता की वर्तमान आयु क्या है ?

  1. 33 years/वर्ष

  2. 39 years/वर्ष

  3. 45 years/वर्ष

  4. 40 years/वर्ष

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A Correct answer
Explanation

Let son's present age be x. Father's present age = 3x + 3. After 3 years: Father's age will be 3x + 6, son's age will be x + 3. Equation: 3x + 6 = 2(x + 3) + 10. Solving: 3x + 6 = 2x + 6 + 10. 3x + 6 = 2x + 16. x = 10. So son's present age is 10, father's present age = 3(10) + 3 = 33 years.