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By what number must a given number be mu...

By what number must a given number be multiplied to decrease it by `30%` ?

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The correct Answer is:
`7/(10)`
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ICSE-PERCENTAGE -EXERCISE 9C
  1. Decrease : 340 by 35%

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  2. Decrease : 65 by 4%

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  3. Decrease : 36 by 16(2)/(3)%

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  4. Decrease : 260 by 1.5%

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  5. Find a number : Which when increased by 10% becomes 66.

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  6. Find a number : Which when increased by 120% becomes 77.

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  7. Find a number : Which when increased by 2.5% becomes 246.

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  8. Find a number : Which when decreased by 35% becomes 52.

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  9. Find a number : Which when decreased by 8% becomes 115.

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  10. Find a number : Which when decreased by 3.4% becomes 483.

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  11. By what number must a given number be multiplied to increase it by 12%...

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  12. By what number must a given number be multiplied to decrease it by 30%...

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  13. The price of a fan increase from Rs 3260 to Rs 3749. Find the increase...

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  14. The monthly salary of Mr. Rakesh is Rs 32500. After deducting the prov...

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  15. A car was purchased last years for Rs 415000. Now, its value is Rs 356...

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  16. On decreasing the price of a car by 6%, its value becomes Rs 249100. W...

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  17. On increasing the salary of a man by 12%, his salary in increased by R...

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  18. The salary of Gopal was increased by 10% and then the increased salary...

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  19. After deducting 4% of a bill, the amount still to be paid is Rs 1488. ...

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  20. The weight of a boy was 40 kg. But, it was wrongly measured as 42 kg. ...

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