The rent of a guest house was tk 50 per day for first three days tk 100 per day for next 5 days and tk 300 per day for other days. The registration fee in the beginning is tk If one has to pay tk1300, for how many days he availed of this facility?
Solution
Correct Answer: Option A
Payment without the registration fee = 1300 - 50 = 1250 tk
Now, Total Cost of first 3 days = 3*50 = 150 tk
Total Cost of next 5 days = 5*100 = 500 tk
Thus, Total cost of first 8 days = 500+150 = 650 tk
We can see that the person surely stayed at least 8 days.
Remaider of the payment is = (1250-650) = 600 tk
Now, Afterward each day costs 300 tk.
Thus, with the remainder of money person could stay = (600/300) days
= 2 days
Thus, Total days of the person's stay = 8 + 2 = 10
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