৫ টা মেশিন ৫ মিনিট কাজ করে যদি ৫ টা যন্ত্রাংশ তৈরি করতে পারে, তাহলে ১০০ টা মেশিনের ১০০ টা যন্ত্রাংশ তৈরি করতে কত সময় লাগবে?
A. ৪০ মিনিট
B. ৫০ মিনিট
C. ১০০ মিনিট
D. ৫ মিনিট
সঠিক উত্তরঃ
D.
৫ মিনিট
Explanation:
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