Gun-powder contains 75% nitre , 10% sulphur and the rest of it is charcoal. find the quantity of charcole in 8 kg of gun -powder.
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Gun-powder contains 75% nitre , 10% sulphur and the rest of it is charcoal. find the quantity of charcole in 8 kg of gun -powder.
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15 percent of 8kg is 1.2 kg
percentage of charcoal is 15%
therefore 15/100*8
=1.2kg