alleryछह पुरुष एक चबूतरा 12 दिनों में बनाते हैं। इसे 8 दिनों में बनाने के लिए कितने पुरुषों की आवश्यकता होगी?
A8
B9
C12
D10
Answer & Solution
Correct answer: B. 9
कुल कार्य = 6 x 12 = 72 मैन-डे है, और 72/8 = 9 पुरुष।
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