alleryP اور Q مل کر 6 دنوں میں ایک شیڈ بناتے ہیں۔ P اکیلے 10 دنوں کی ضرورت ہے۔ Q اکیلے کی ضرورت ہے۔
A18 دن
B12 دن
C15 دن
D20 دن
Answer & Solution
Correct answer: C. 15 دن
Q کی شرح 1/6 - 1/10 = 4/60 = 1/15 ہے، لہذا 15 دن۔
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