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प्रश्न
The weights of two chemical substances are 20.34 g and 18.78 g. Write the difference in percentage
उत्तर
Weight of substance 1 = 20.34 g
Percentage of substance 1 = `2034/100` = 2034%
Weight of substance 2 = 18.78 g
Percentage of substance 2 = `1878/100` = 1878%
Their difference = 2034 – 1878 = 156%
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