alleryP আৰু Q লেম্পৰ ভিতৰত অন্ততঃ এটা জ্বলি আছে। P বন্ধ হৈ আছে। যিটো নিশ্চয় সঁচা?
APও অন হৈ আছে
BQ বন্ধ হৈ আছে
Cদুয়োটা অফ
DQ অন হৈ আছে
Answer & Solution
Correct answer: D. Q অন হৈ আছে
যিহেতু P বন্ধ আৰু অন্ততঃ এটা লেম্প জ্বলি আছে, গতিকে Q জ্বলি থাকিব লাগিব।
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