Mathematics · Averages and Ages
A की आयु B की आयु की तीन गुनी है। चार वर्ष पहले C की आयु A की आयु की दोगुनी थी। चार वर्ष बाद, A की आयु 31 वर्ष होगी। क्रमशः B और C की वर्तमान आयु क्या है?
- 110, 50
- 29, 46
- 310, 46
- 49, 50✓
सही उत्तर देखें
9, 50
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