Multiple choice

Father is aged three times more than his son Prashant. After 8 years, he would be two and a half times of Prashant's age. After further how many years, he would be 2 times of Prashant's age? पिता अपने बेटे प्रशांत से तीन गुना अधिक उम्र के हैं। 8 वर्ष बाद, वह प्रशांत की उम्र का ढाई गुना होंगे। कितने और वर्षों बाद, वह प्रशांत की उम्र का 2 गुना होंगें?

  1. 8 years/ वर्ष

  2. 12 years/ वर्ष

  3. 6 years/ वर्ष

  4. 10 years/ वर्ष
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A Correct answer
Explanation

Let Prashant's age be x. Father's age = x + 3x = 4x. After 8 years: 4x + 8 = 2.5(x + 8), giving x = 8. Current ages: Prashant = 8, Father = 32. After 8 years: Prashant = 16, Father = 40. Let further years be y: 40 + y = 2(16 + y), giving y = 8.

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