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प्रश्न
Express:
80 paise as a percent of Rs 4.
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उत्तर
To express 80 paise as a percentage of 4 rupees:
Since 1 rupee = 100 paise
4 rupees = 4 × 100 = 400 paise
The percentage is calculated as
`"Percentage" = ("Part"/"Whole")xx100`
Substitute the values:
Percentage = `(80/400) xx 100`
= 20%
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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 |
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