৯০ থেকে ১০০ এর মধ্যে কয়টি মৌলিক সংখ্যা আছে?
A. দুটি
B. একটি
C. তিনটি
D. একটিও না
সঠিক উত্তরঃ
B.
একটি
Explanation:
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