alleryএজন মানুহে 3 জন ল'ৰাৰ সমান কাম কৰে। দুজন মানুহ আৰু 6 জন ল'ৰাই এটা কাম 9 days-ত শেষ কৰে। 12 জন ল'ৰাক কিমান সময় লাগিব?
A6 days
B9 days
C18 days
D12 days
Answer & Solution
Correct answer: B. 9 days
দুজন মানুহ 6 জন ল'ৰাৰ সমান, গতিকে দলটো 12 জন ল'ৰাৰ সমান, যাৰ ফলত তেওঁলোককো 9 days প্ৰয়োজন।
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