সকল পেঁচাই দেখতে পায় এবং যে সকল পাখি রাতে দেখতে পারে তারা কালো নয়। এ প্রেক্ষিতে নিচের কোন উক্তিটি অবশ্যই সত্য?
A. Black ravens don't have night vision
B. All owls are not black
C. Birds that are black lack night vision
D. All of the above
BCSমানসিক দক্ষতা(IQ)বিশ্লেষণমুলক ও সিদ্ধান্ত গ্রহণের ক্ষমতাIQ-3 (Topic Practice)BCS - ⚡ অনলাইন প্রশ্নব্যাংক দেখুন 💥
সঠিক উত্তরঃ
B.
All owls are not black
Explanation:
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