alleryਘੱਟੋ-ਘੱਟ ਇੱਕ ਲੈਂਪ P ਅਤੇ Q ਚਾਲੂ ਹੈ। P ਬੰਦ ਹੈ। ਕਿਹੜਾ ਸੱਚ ਹੋਣਾ ਚਾਹੀਦਾ ਹੈ?
AP ਵੀ ਚਾਲੂ ਹੈ
BQ ਬੰਦ ਹੈ
Cਦੋਵੇਂ ਬੰਦ ਹਨ
DQ ਚਾਲੂ ਹੈ
Answer & Solution
Correct answer: D. Q ਚਾਲੂ ਹੈ
ਕਿਉਂਕਿ P ਬੰਦ ਹੈ ਅਤੇ ਘੱਟੋ-ਘੱਟ ਇੱਕ ਲੈਂਪ ਚਾਲੂ ਹੈ, Q ਚਾਲੂ ਹੋਣਾ ਚਾਹੀਦਾ ਹੈ।
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