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Percentage Practice Test 3 with solutions

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Question : 14

Total: 40

The cost of a pen is thrice than that of an eraser and the cost of an eraser is 20% less than that of a pencil. If the cost of each time is decreased by 25%, then the percentage decrease in the cost of 5 pens, 10 erasers and 20 pencils is:

85%
90%
75%
80%
92%

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