alleryএটা বেক্টেৰিয়াৰ নমুনাত প্ৰতি ঘণ্টাত 5, 10, 20, 40 পোৱা যায়। ইয়াৰ পিছৰটো কি হ'ব?
A80
B100
C70
D60
Answer & Solution
Correct answer: A. 80
প্ৰতিটো পদেই তাৰ আগৰ পদটোৰ দুগুণ, গতিকে 40 ৰ পৰা 80 হয়।
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