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70% of the students in a school are boys...

70% of the students in a school are boys and the number of girls is 504 find the number of boys in the school

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RS AGGARWAL-PERCENTAGE -EXERCISE10 B
  1. The excise duty on a certain items has been reduced to ₹ 760 from ₹ 95...

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  2. 96% of the cost of a TV is ₹ 10464 what is its total cost ?

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  3. 70% of the students in a school are boys and the number of girls is 50...

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  4. A ore contains 12% copper how many kilograms of the ore are required t...

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  5. 36% of the maximum marks is required to pass a test A students gets 12...

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  6. A fruit-sellerhad some apple he sells 40% of them and still has 420 ap...

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

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

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

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

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

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  12. 3% commission on the sale of the property amounts to ₹ 42660 what is t...

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

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

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

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

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

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

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

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

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