Two equal glasses are respectively $\frac{1}{3}$ and $\frac{1}{4}$ full of milk. They are then filled up with water and the contents mixed in a tumbler. What is the ratio of milk and water in the tumbler? (দুটি সমান মাপের গ্লাসের যথাক্রমে \( \frac{1}{3} \) অংশ এবং \( \frac{1}{4} \) অংশ দুধে পূর্ণ আছে। এরপর গ্লাস দুটি পুরোপুরি পানি দিয়ে পূর্ণ করে একটি বড় পাত্রে ঢেলে মেশানো হলো। বড় পাত্রটিতে দুধ ও পানির অনুপাত কত?)

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