Multiple choice

Ratio of age of father, mother and son is 9:8:3. Five years hence sum of their age will be 95 years. Find the age of son 5 years ago. पिता, मां और पुत्र की आयु का अनुपात 9: 8: 3 है पांच वर्ष पश्चात उनकी आयु का योग 95 वर्ष होगा । 5 वर्ष पहले पुत्र की आयु ज्ञात कीजिये ।

  1. 12 years 12 वर्ष

  2. 7 years 7 वर्ष

  3. 10 years 10 वर्ष

  4. 15 years 15 वर्ष

  5. None of these इनमे से कोई नहीं
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B Correct answer
Explanation

Current ages are in ratio 9:8:3, so let ages be 9x, 8x, 3x. In 5 years, sum increases by 15 to become 95, so current sum is 80. Thus 20x = 80, x = 4. Son's current age is 12, so 5 years ago he was 7.

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