২৫ কেজি চাল যে মূল্যে ক্রয় করা হয় ২০ কেজি চাল সে মূল্যে বিক্রয় করলে শতকরা কত লাভ হয় ?
A. 0.2
B. 0.25
C. 0.16
D. 0.3
সঠিক উত্তরঃ
B.
0.25
Explanation:
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