Math, asked by charanvinita84, 3 months ago

1. A तथा B मिलकर किसी कार्य को 8 दिन में समाप्त कर सकते हैं;
B तथा C मिलकर इसे 12 दिन में और C तथा A मिलकर इसे
15 दिन में समाप्त कर सकते हैं. C अकेला इस कार्य को कितने
दिन में समाप्त कर सकेगा? (एस०एस०सी० परीक्षा, 2006)

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