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The price of a drug changed as follows: ...

The price of a drug changed as follows:
a. reduced from Rs 72 to Rs 60. Find the percentage decrease in the price.
b. increased from Rs 60 to Rs 72. Find the percentage increase in price.

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The correct Answer is:
`20%`
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ICSE-PERCENTAGE, PROFIT AND LOSS-REVISION EXERCISE
  1. The price of a drug changed as follows: a. reduced from Rs 72 to Rs ...

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  2. Write as percentages. a.(3)/(20) b.(7)/(8) c.(4)/(25) d. (2)/(125) e...

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  3. Write the ratio as percentage: 2:3:5

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  4. Convert the following percentages into fractions. a. 17.5% b.65% c. ...

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  5. Convert the following percentages into decimals. a. 3.5% b. 22% c. 2...

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  6. Find a. 15% of 7500g b. 12% of Rs 240 c. 8% of 120 km

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  7. Find the value of a if: a. 1% of a=7 b. 100% of a=100 c. 12% of a=18...

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  8. What percentage of a. 40 m is 10 m ? b. 7 litres is 1.4 litres?

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  9. If Rs 60 is reduced by 20% , find the decreased amount.

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

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  11. Anita has obtained 450 marks in an examination. If she obtained 75% of...

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  12. A nursery has 5000 plants. 10% of these plants are roses and 35% are d...

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  13. An ally of tin and copper consists of 24 parts of tin and 136 parts of...

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  14. In an examination, 15% students failed and 425 students passed. Find t...

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  15. In a box of electric bulbs, 12% are defective. If 176 bulbs are good, ...

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  16. A box contains 140 sweets. These sweets are divided amongst Rahul, Pra...

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  17. An IPL cricket team won 7 matches this year as against 10 matches last...

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  18. What will be the cost price of an item if it is sold for Rs 187 after ...

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  19. Rohit's salary was increased by 10% to Rs 41,800. Find his salary befo...

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  20. A book was bought for Rs 560 and sold for Rs 630. Find the gain and ga...

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  21. Find the sale price of a table for which the cost price is Rs 650 and ...

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