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Tina rented a rickshaw for Tk. 18 plus Tk. 0.10 per km. ruby rented another rickshaw for Tk. 25 plus Tk. 0.05 per km. If each move d km. and paid exactly the same amount of rental, the d equals.

Tina rented a rickshaw for Tk. 18 plus Tk. 0.10 per km. ruby rented another rickshaw for Tk. 25 plus Tk. 0.05 per km. If each move d km. and paid exactly the same amount of rental, the d equals. Correct Answer 140

প্রথম Rickshaw এর ক্ষেত্রে মোট ভাড়া = 18 + ( d × 0.10) = 18 + 0.10d টাকা   দ্বিতীয় Rickshaw এর ক্ষেত্রে মোট ভাড়া = 25 + ( d × 0.05) = 25 + 0.5d টাকা   প্রশ্নমতে, 18 + 0.10d = 25 + 0.05d 0.05d = 7  d = 7/0.05     = 7/(5/100)     = (7×100)/5     = 140 কিমি 

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