খুলনা বিশ্ববিদ্যালয় হতে রূপসা ব্রীজ পর্যন্ত সরল পথে ৪০ মিটার ব্যবধানে লাইট পোষ্ট স্থাপন করা আছে। প্রথম থেকে নবম পোষ্ট পর্যন্ত প্রতি মিটার ৩০০০ টাকা ব্যয়ে ড্রেন নির্মাণ করতে গেলে কত টাকা লাগবে?
A. ১,২০,০০০
B. ১০,৮০,০০০
C. ৯,৬০,০০০
D. ১০,০০,০০০
সঠিক উত্তরঃ
C.
৯,৬০,০০০
Explanation:
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