alleryএকটি মান 80 থেকে বৃদ্ধি পেয়ে 100 হয়। বৃদ্ধির শতকরা হার কত?
A20%
B125%
C30%
D25%
Answer & Solution
Correct answer: D. 25%
80-এর ভিত্তিতে বৃদ্ধি হল 20, যা হল 25%।
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