alleryاگر لیمپ آن ہے تو سوئچ دبایا جاتا ہے۔ سوئچ دبایا جاتا ہے۔ تو چراغ جل رہا ہے۔ یہ ہے
Aایک آواز کٹوتی
Bموڈس ponens
Cموڈس ٹولن
Dایک رسمی غلطی
Answer & Solution
Correct answer: D. ایک رسمی غلطی
سوئچ کو دبایا جانا اس بات کی ضمانت نہیں دیتا کہ لیمپ آن ہے، لہذا یہ نتیجہ کی تصدیق کرتا ہے۔
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