A vessel is full of a mixture of kerosene and petrol in which there is 18% kerosene. Eight litres are drawn off and then the vessel is filled with petrol. If the kerosene is now 15% how much does the vessel hold?

a) 40 lit b) 32 lit c) 36lit d) 48lit

Question

Guest

Chemistry

13 July, 09:07

A vessel is full of a mixture of kerosene and petrol in which there is 18% kerosene. Eight litres are drawn off and then the vessel is filled with petrol. If the kerosene is now 15% how much does the vessel hold?

a) 40 lit b) 32 lit c) 36lit d) 48lit

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Answers (1)

Know the Answer?

Keon Hoover · Answer 1

The answer in here is d) 48 lit. We know this when we do the following procedure:

kerosene=18%

so petrol = 82%

after kerosene = 15%

petrol=85%

so 3% = 8

lit so total kerosene in the mixture = (8x18/3) = 48 lit

Hope this is useful

A vessel is full of a mixture of kerosene and petrol in which there is 18% kerosene. Eight litres are drawn off and then the vessel is filled with petrol. If the kerosene is now 15% how much does the vessel hold?a) 40 lit b) 32 lit c) 36lit d) 48lit

A vessel is full of a mixture of kerosene and petrol in which there is 18% kerosene. Eight litres are drawn off and then the vessel is filled with petrol. If the kerosene is now 15% how much does the vessel hold?

a) 40 lit b) 32 lit c) 36lit d) 48lit