SSC GD Constable previous year question
The ratio of the present ages of a mother and daughter is 7:2. After 12 years, the ratio of their ages will be 9:4. What is the mother's present age?
Asked in SSC GD Constable 2025: 12 Feb 2025 Shift 1 (Morning) · Quantitative Aptitude
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Correct answer: (C) 42 years
Let mother=7x, daughter=2x. (7x+12)/(2x+12)=9/4 → 28x+48=18x+108 → 10x=60 → x=6. Mother's age = 7×6 = 42 years.
हिंदी में प्रश्न
माँ और पुत्री की वर्तमान आयु का अनुपात 7 : 2 है। 12 वर्षों बाद उनकी आयु का अनुपात 9 : 4 होगा। माँ की वर्तमान आयु कितनी है?
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उत्तर और व्याख्या देखें
सही उत्तर: (C) 42 वर्ष
मान लें माँ=7x, पुत्री=2x। (7x+12)/(2x+12)=9/4 → 28x+48=18x+108 → 10x=60 → x=6। माँ की आयु = 7×6 = 42 वर्ष।
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