alleryA, B আৰু C-য়ে অকলে এটা কাম ক্ৰমে 30, 20 আৰু 60 দিনত সম্পূৰ্ণ কৰিব পাৰে। তিনিওজনে একেলগে কামটো কৰিবলৈ প্ৰয়োজন হ'ব
A12 দিন
B8 দিন
C10 দিন
D15 দিন
Answer & Solution
Correct answer: C. 10 দিন
দৈনিক কাম হ'ল কামটোৰ (2 + 3 + 1)/60 = 6/60 = 1/10 অংশ, গতিকে 10 days।
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