alleryতিন বছরে জনসংখ্যা 40000 থেকে বেড়ে 46000 হয়েছে। বার্ষিক গড় বৃদ্ধি কত?
A1500
B2000
C2500
D3000
Answer & Solution
Correct answer: B. 2000
6000 বৃদ্ধিকে 3 বছর দিয়ে ভাগ করলে বছরে 2000 পাওয়া যায়।
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