একটি বাক্সে লাল ও কালো রঙের ৪৮টি বল আছে। উভয় রঙের বলের অনুপাত নিচের কোনটি হওয়া অসম্ভব?
A. ১ঃ১
B. ৩ঃ১
C. ৪ঃ৩
D. ৫ঃ৩
সঠিক উত্তরঃ
C.
৪ঃ৩
Explanation:
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