Percentage Practice Test 2 with solutions

Question : 3 of 40

Marks: +1, -0

If 24-carat gold is considered to be 100% pure gold, then the percentage of pure gold in 22- carat is:

Solution:

Purify of 24-carat gold = 100%
Purify of 1-carat gold =

100/ 24

Pure per cent of 24-carat gold

=100/24×22= 91 2/3%

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