Percentage Practice Test 1 with solutions

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Question : 12 of 40

Marks: +1, -0

If a shopkeeper increased the price of a radio by 10%, then by what percentage should he reduce the new price to bring the price back to the original level?

9%
9.09%
8.9%
8%
7%

Solution:

Required percentage

=x/{100+x}×100%

=10/{100+10}×100%

= 9.09%

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