alleryX एक काम 16 दिवसांत पूर्ण करतो आणि Y ते 48 दिवसांत पूर्ण करतो. दोघांनी एकत्र काम केल्यास ते काम पूर्ण होईल
A10 दिवस
B12 दिवस
C14 दिवस
D16 दिवस
Answer & Solution
Correct answer: B. 12 दिवस
प्रतिदिन कामाचा 1/16 + 1/48 = 4/48 = 1/12 भाग, म्हणून 12 दिवस लागतील.
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