alleryایک معمار 6 دنوں میں دیوار بناتا ہے، دوسرا 3 دنوں میں۔ مل کر کام کرتے ہوئے، دیوار تیار ہے۔
A1.5 دن
B2 دن
C1 دن
D3 دن
Answer & Solution
Correct answer: B. 2 دن
قیمتیں فی دن دیوار کی 1/6 + 1/3 = 1/2 میں شامل ہوتی ہیں، لہذا دیوار میں 2 دن لگتے ہیں۔
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