Percentage Practice Test 1 with solutions

Question : 8 of 40

Marks: +1, -0

If the price of a commodity increases by 53%, by what per cent must a consumer reduce the consumption of the commodity, so as not to increase the expenditure?

33%
32%
34.68%
31%
31.5%

Validate

Solution:

x = 53%
The required percentage

=x/{100+x}×100%

=53/{100+53}×100%

=5300/153%=34.68%

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