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प्रश्न
Write the following as percent:
0.8
उत्तर
\[ 0 . 8 = \frac{8}{10} \times 100\]
\[ = 80 \% \]
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संबंधित प्रश्न
Express the following as decimal fractions:
7.5%
Find the number a, if 8.4% of a is 42
A motorist travelled 122 kilometres before his first stop. If he had 10% of his journey to complete at this point, how long was the total ride?
Express the following percentage as a fraction and as a decimal number:
25 %
Express the first quantity as a percent of the second:
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Find the value of the following:
90% of 130
Evaluate:
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Air is an important inexhaustible natural resource. It is essential for the survival of human beings, microbes, plants, and animals. The following table shows the percentage of various gases in the air.
| Contents of air | Percentage (by volume) |
| Nitrogen | 78 |
| Oxygen | 21 |
| Other (carbon dioxide, inert gases, water vapours, etc.) | 1 |
In 800 m3 of air, calculate the approximate quantities of nitrogen, oxygen, and other gases.
An average urban Indian uses about 150 litres of water every day.
| Activity | Litres per person per day |
| Drinking | 3 |
| Cooking | 4 |
| Bathing | 20 |
| Sanitation | 40 |
| Washing clothes | 40 |
| Washing utensils | 20 |
| Gardening | 23 |
| Total | 150 |
How much less per cent of water is used for cooking in comparison to that used for bathing?
What percent of ₹ 80 is ₹ 100?
