alleryदोन मजुरांच्या कार्यक्षमतेचे गुणोत्तर 3:2 आहे. पहिल्या मजुराला एकट्याला 20 दिवस लागतात. दुसऱ्या मजुराला एकट्याला लागतील
A25 दिवस
B28 दिवस
C40 दिवस
D30 दिवस
Answer & Solution
Correct answer: D. 30 दिवस
वेळ हा कार्यक्षमतेच्या व्यस्त प्रमाणात असतो, म्हणून 20 x 3/2 = 30 दिवस.
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