৬ হচ্ছে একটি সংখ্যার ২৪%, তাহলে একই সংখ্যার ৪০ হবে?
A. ৮
B. ১০
C. ১৫
D. ২০
সঠিক উত্তরঃ
B.
১০
Explanation:

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