Question: To reproduce an old photograph, a studio charges Tk. z to make anegative, Tk. 0.6z for each of the first 10 prints, and Tk. 0.2z. for each print in excess of 10 prints. If Tk. 45 is the total charge to make one nagative and 20 prints from an old photograph then what is the value of z?

Question 1: To reproduce an old photograph, a studio charges Tk. z to make anegative, Tk. 0.6z for each of the first 10 prints, and Tk. 0.2z. for each print in excess of 10 prints. If Tk. 45 is the total charge to make one nagative and 20 prints from an old photograph then what is the value of z?

View topic: বিবিধ সমস্যা (Miscellaneous Problem)

Tk.3

Tk.4

Tk.4.5

Tk.5

Source: Dutch-Bangla Bank Ltd - Probationary Officer - 29.07.2011

Answer: Tk.5

Explanation:

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