alleryएक गवंडी 8 दिवसांत एका भिंतीचे 40% काम पूर्ण करतो. या गतीने संपूर्ण भिंतीसाठी लागतील
A20 दिवस
B32 दिवस
C16 दिवस
D24 दिवस
Answer & Solution
Correct answer: A. 20 दिवस
जर 40% साठी 8 दिवस लागत असतील, तर 1% साठी 0.2 दिवस लागतील, म्हणून 100% साठी 20 दिवस लागतील.
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