allery5,000 ব্যাকটেরিয়ার সংখ্যা প্রতি ঘণ্টায় 4% বৃদ্ধি পায়। এক ঘণ্টা পর সংখ্যা কত হবে?
A5,100
B6,000
C5,400
D5,200
Answer & Solution
Correct answer: D. 5,200
5,000-এর চার শতাংশ হলো 200, ফলে মোট সংখ্যা হয় 5,200।
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