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A CD player and A DVD player have the same price. If the price of the CD player goes up by 10% and that of the DVD player is decreased by 5%, how much more will it cost to buy 5 CD players and 5 DVD player?

A. 5%
B. 10%
C. 15%
D. 25%
E. none of these
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সঠিক উত্তরঃ E. none of these
Explanation: