alleryএক বছরে লাভ 15 লাখ থেকে কমে 9 লাখ হয়েছে। শতকরা হ্রাস কত?
A30 শতাংশ
B35 শতাংশ
C40 শতাংশ
D60 শতাংশ
Answer & Solution
Correct answer: C. 40 শতাংশ
15-এর ভিত্তির ওপর 6 হ্রাস হলো 0.4, যা হলো 40 percent।
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