যদি ৬ জন বালক ৬ মিনিটে ৬ পৃষ্ঠা লিখতে পারে তাহলে ১ জন বালকের এক পৃষ্ঠা লিখতে কত সময় লাগবে?
A. 6
B. 3
C. 2
D. 1
সঠিক উত্তরঃ
A.
6
Explanation:
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