alleryچھ آدمی 12 دنوں میں ایک پلیٹ فارم بناتے ہیں۔ 8 دنوں میں اسے بنانے کے لیے، مردوں کی ضرورت ہے۔
A8
B9
C12
D10
Answer & Solution
Correct answer: B. 9
کل ہے 6 x 12 = 72 آدمی کے دن، اور 72/8 = 9 مرد۔
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