If the August publication consists exclusively of articles by Behroz, Dipu and Emon, then the April publication must have consisted of articles by which of the following groups or authors?
A. Arshad and Sakib
B. Arshad and Faruk
C. Benroz and Rashed
D. Faruk and Rashed
DUIBAমানসিক দক্ষতা(IQ)বিশ্লেষণমুলক ও সিদ্ধান্ত গ্রহণের ক্ষমতাIQ-3 (Topic Practice)DU - ⚡ অনলাইন প্রশ্নব্যাংক দেখুন 💥
Explanation: এই puzzle টির condition গুলো হল: 1. প্রত্যেকটি magazine এ কমপক্ষে 2-টি articles থাকতে হবে। 2. Rashed ও Sakib এর articles একই magazine এ published হতে পারবেনা। 3. কোন magazine এ Arshad এর article published হলে Behroz এর article ও published হতে হবে। 4. কোন magazine এ Emon এর article published হলে Rashed এর article তার immediate আগের magazine এ published হতে হবে। 5. কোন author এর article পরপর দুটি magazine এ বা এ???ই magazine এ দুবার published হতে পারবেনা। August publication is \(\{B, D, E\}\). August এ Emon এর article থাকার কারণে April publication এ Rashed এর article থাকতেই হবে [Condition 4]. April publication এ Rashed এর article থাকার কারণে Sakib এর article থাকতে পারবেনা [Condition 2]. B, D, E এর article Condition 5 এর কারণে April publication এ থাকতে পারবেনা। B not in April \(\Rightarrow\) A not in April (Rule 3). অতএব বাকি থাকবে কেবল Faruk. April publication এ Rashed থাকতেই হবে, এবং অন্য অন্তত একজন থাকতে হবে। \(\therefore\) April must contain \(\{F, R\}\).
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