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

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

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To convert the ratio \(2:3:5\) into percentages, we will follow these steps: ### Step 1: Calculate the Total Number of Parts First, we need to find the total number of parts in the ratio. This is done by adding all the parts together. \[ \text{Total parts} = 2 + 3 + 5 = 10 \] ### Step 2: Calculate the Percentage for Each Part Next, we will calculate the percentage for each part of the ratio using the formula: \[ \text{Percentage} = \left(\frac{\text{Part}}{\text{Total Parts}}\right) \times 100 \] #### For the first part (2): \[ \text{Percentage of 2} = \left(\frac{2}{10}\right) \times 100 = 20\% \] #### For the second part (3): \[ \text{Percentage of 3} = \left(\frac{3}{10}\right) \times 100 = 30\% \] #### For the third part (5): \[ \text{Percentage of 5} = \left(\frac{5}{10}\right) \times 100 = 50\% \] ### Final Result Thus, the ratio \(2:3:5\) as percentages is: - 2 corresponds to 20% - 3 corresponds to 30% - 5 corresponds to 50% So, the final answer is: \[ 20\%, 30\%, 50\% \] ---
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ICSE-PERCENTAGE, PROFIT AND LOSS-REVISION EXERCISE
  1. Write as percentages. a.(3)/(20) b.(7)/(8) c.(4)/(25) d. (2)/(125) e...

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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