A manufacturer prints books at a cost of Tk. x each for the first thousand copies printed. The second thousand copies printed cost Tk. 0.9x each. If it costs Tk.3,264 to print 1,400 copies of a book, then x is:
A. 1.63
B. 2.40
C. 2.10
D. 2.59
E. 2.33
সঠিক উত্তরঃ
B.
2.40
Explanation:
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