alleryএকটি অঞ্চলের জনসংখ্যার পরিমাণ 30%; এর 40% শহুরে। শহুরে অংশের পরিমাণ কত?
A10%
B12%
C15%
D18%
Answer & Solution
Correct answer: B. 12%
30% জনসংখ্যার অংশের চল্লিশ শতাংশ হলো সামগ্রিকভাবে 12%।
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