alleryদুটি বারের মধ্যে একটি মান 250 থেকে কমে 200 হয়। percent হ্রাস কত?
A15 percent
B20 percent
C25 percent
D50 percent
Answer & Solution
Correct answer: B. 20 percent
250-এর ভিত্তিতে হ্রাস হল 50, যা হল 20 percent।
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