alleryএকটি ব্যাকটেরিয়ার নমুনায় প্রতি এক ঘণ্টা অন্তর 5, 10, 20, 40 মান পাওয়া যায়। পরবর্তীটি কত?
A80
B100
C70
D60
Answer & Solution
Correct answer: A. 80
প্রতিটি পদ আগের পদের দ্বিগুণ, সুতরাং 40 থেকে পাওয়া যায় 80।
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