উত্তৰ (C)
দুটা ডাইচ ফেলিলে সমষ্টি 7 পাওঁক সম্ভাৱনা 6/36 = 1/6
উত্তৰ (C)
ড্ৰৱ কৰা বলটো সাদা বা ৰাতি হোৱাৰ সম্ভাৱনা = (2/9) + (4/9) = 6/9 = 2/3
উত্তৰ (A)
এটা বল সাদা আৰু অন্যটা কালো হোৱাৰ সম্ভাৱনা = (5C1 * 7C1)/12C2 = 35/66
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