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  1. If 24-carat gold is considered to be hundred per cent pure gold, then the percentage of pure gold in 22-carat gold is :
    1. 91
      3
      		%
      4
    2. 91
      2
      		%
      3
    3. 91
      1
      		%
      3
    4. 90
      2
      		%
      3
Correct Option: B

∵ 24 = 100%

∴ 22 =
100
× 22 = 91
2
%
243


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