alleryएक गवंडी एक भिंत 6 दिवसांत बांधतो, दुसरा 3 दिवसांत बांधतो. एकत्र काम केल्यास ती भिंत तयार होईल
A1.5 दिवस
B2 दिवस
C1 दिवस
D3 दिवस
Answer & Solution
Correct answer: B. 2 दिवस
कामाच्या दरांची बेरीज प्रतिदिन 1/6 + 1/3 = 1/2 भिंत इतकी होते, म्हणून भिंतीसाठी 2 दिवस लागतील.
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