যদি একজন পুরুষ অথবা দুইজন মহিলা অথবা তিনজন বালক একটি কাজ ৬৬ দিনে শেষ করতে পারে, তবে কত দিনে ১ জন পুরুষ, ২ জন মহিলা ও ৩ জন বালক ঐ কাজটি সম্পন্ন করতে পারবে?
A. 22
B. 34
C. 24
D. 11
সঠিক উত্তরঃ
A.
22
Explanation:
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