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1. Munir bought a TV on credit for Tk.x. He has to pay the money in there months. In the first month he paid 1/6 th of the amount. In the next month he paid 1/6 th of the remaining amount plus Tk.400. In terms of x, how much does he have to pay in the third month?
- A. (x - 400)/6
- B. (x - 400)/6
- C. (x - 400)/6
- D. (x - 400)/6
Answer: Option C
Explanation:
In the first month paid, x/6 Tk.
Remaining = x - x/6 = Tk.5x/6
In the 2nd month paid y = 1/6 × 5x/6 + 400
= 5x /36 + 400
Remaining for 3rd month = ( 5x /6 - 5x /36 - 400) = 30x - 5x /36 - 400 = 25x/36 - 400
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