Multiple choice

The age of a father is twice that of his son's at present age. After 8 years the sum of their ages will be 43 years. How old are they now? एक पिता की आयु उसके पुत्र की वर्तमान आयु की दोगुनी है। 8 वर्ष बाद उनकी आयु का योग 43 वर्ष है तो अब उनकी आयु क्या है?

  1. 12 years, 24 years/12 वर्ष, 24 वर्ष

  2. 9 years, 18 years/9 वर्ष, 18 वर्ष

  3. 10 years, 20 years/10 वर्ष, 20 वर्ष,

  4. 8 years, 16 years/8 वर्ष, 16 वर्ष,
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B Correct answer
Explanation

Let the son's age be S. Then father's age F = 2S. After 8 years, their ages will be (F+8) and (S+8), summing to 43: F+S+16 = 43, so F+S = 27. Substituting F = 2S gives 3S = 27, so S = 9 and F = 18. Their current ages are 9 years (son) and 18 years (father).

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