টেলিফোন ডায়ালে 0 থেকে 9 পর্যন্ত লেখা থাকে। যদি কক্সবাজার শহরের টেলিফোনগুলো 5 অংক বিশিষ্ট হয়, তবে ঐ শহরে কত টেলিফোন সংযোগ দেয়া যাবে?
A. 100000 টি
B. 10000 টি
C. 1000000 টি
D. 1000 টি
সঠিক উত্তরঃ
A.
100000 টি
Explanation:
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