alleryযদি বর্ণগুলিকে বিপরীত বর্ণ দ্বারা প্রতিস্থাপন করা হয় (A=Z, B=Y), তবে 'CAT'-কে কীভাবে কোড করা হবে?
AXZG
BYAH
CWZF
DXAH
Answer & Solution
Correct answer: A. XZG
বিপরীত বর্ণগুলির অবস্থানের যোগফল 27 হয়: C(3)->X(24), A(1)->Z(26), T(20)->G(7)। সুতরাং, CAT-কে XZG হিসেবে কোড করা হয়।
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