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Gunpowder contains 75% of nitre and 10% ...

Gunpowder contains 75% of nitre and 10% of sulphur and the rest of it is charcoal find the amount of charcoal in 8 kg of gunpowder

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The correct Answer is:
`1.2kg`
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RS AGGARWAL-PERCENTAGE -EXERCISE10 B
  1. A fruit-sellerhad some apple he sells 40% of them and still has 420 ap...

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  2. in an examination 72% of the total examinees passed if the number of f...

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  3. after deducting a commission of 5% a moped costs ₹ 15200 what is its g...

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  4. Gunpowder contains 75% of nitre and 10% of sulphur and the rest of it ...

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  5. chalk contains 3% of carbon 10% of calcium and 12% of oxigen find the ...

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  6. sonal went to school for 219 days in a full years if her attendance is...

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  7. 3% commission on the sale of the property amounts to ₹ 42660 what is t...

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  8. in an election there were two cadidates A and B the total number of vo...

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  9. the price of a shirt is reduced by 12% in a discount sale if its prese...

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  10. the price of sweater is increased by 8% if its increased price is ₹ 15...

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  11. after spending 80% of his income and giving 10% of the remainder in a ...

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  12. a number is increased by 20% and the increased number is decreased by ...

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  13. the salary of an offiser is increased by 20% by what percentage should...

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  14. a property dealer charges commission at the rate of 2% on the first ₹ ...

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  15. nikhil's income is 20% less than that of akhil. How much per cent is ...

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  16. Jhons income is 20% more than that of Mr thomas. How much per cent is ...

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  17. the value of a machine depreciates 10% every year if its present value...

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  18. the value of a car decrease annually by 20% if the present value of ca...

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  19. The population of a town increases by 10% annually. If the present ...

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  20. The population of a town increases by 10% annually. If the present ...

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