Two taps started pouring in pure water and pure alcohol into

Описание: दो नल क्रमशः शुद्ध नपी और शुद्ध शराब को 2 लीटर/निमट और 3 लीटर/निमट की दर से एक खाली टैंक में डालते हैं। जब टैंक आधा भरा था, तो एक तीसरा नल खोला गया, जो केवल शुद्ध नपा डालता है। जब टैंक पूरी तरह से भरा था तो केवल 45% अल्कोहल था। जब टैंक नती-चौथाई भरा हुआ था तो शराब की सनघता क्या थी?
Two taps started pouring in pure water and pure alcohol into an empty tank at the rate of 2" "L/min and 3" "L/min respectively. When the tank was half full, a third tap was opened, which pours in pure water only. The tank contained 45% alcohol when it was full. What was the concentration of alcohol when the tank was three-fourth full?
a) 48% b) 50% c) 60% d) 52.5%

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