alleryP Q سے تین گنا تیزی سے کام کرتا ہے، اور P اکیلے Q سے 20 دنوں میں جلدی ختم کر دیتا ہے۔ P اکیلے کی ضرورت ہے۔
A30 دن
B20 دن
C15 دن
D10 دن
Answer & Solution
Correct answer: D. 10 دن
Q P کا تین گنا وقت لیتا ہے، لہذا 3t - t = 20 P کے لیے t = 10 دن دیتا ہے۔
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