Advertisements
Advertisements
प्रश्न
What percent of 1 day is 1 minute?
उत्तर
Let x% of 1 day be 1 min.
Then, `x/100 xx 1` day = 1 min
⇒ `x/100 xx 24` h = 1 min ......[∵ 1 day = 24 h and 1 h = 60 min]
⇒ `x/100 xx 1440` min = 1 min
⇒ x = `100/1440 = 10/144`
∴ x = 0.069%
Hence, 0.069% of 1 day is 1 min.
APPEARS IN
संबंधित प्रश्न
Find: 45 is what percent of 54?
Find the percentage change, when a number is changed from :
80 to 100
A number 3.625 is wrongly read as 3.265; find the percentage error.
The cost of a scooter depreciates every year by 15% of its value at the beginning of the year. If the present cost of the scooter is ₹ 8,000; find its cost: after one year.
5% pupil in a town died due to some diseases and 3% of the remaining left the town. If 2, 76, 450 pupil are still in the town; find the original number of pupil in the town.
A class has 30 boys and 20 girls. Find the percentage of boys in the class.
Find the number that is 50% more than 48
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.
In a class of 50 students, 8 % were absent on one day. The number of students present on that day was ______.
Ambika got 99 per cent marks in Mathematics, 76 per cent marks in Hindi, 61 per cent in English, 84 per cent in Science, and 95% in Social Science. If each subject carries 100 marks, then find the percentage of marks obtained by Ambika in the aggregate of all the subjects.
