নিচের কোনটি ক্ষুদ্রত্তম সংখ্যা?
A. ১/৩
B. ২/৭
C. ৫/২১
D. ৩/৬
E. ২/৩
সঠিক উত্তরঃ
C.
৫/২১
Explanation:
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