Advertisements
Advertisements
प्रश्न
By weight, 90% of tomato and 78% of potato is water. Find the weight of potato which contains 39 kg of water.
Advertisements
उत्तर
Water in tomato = 90% and water in potato = 78%
Weight of water in potato = 39 kg
∴ Weight of potato = `(39xx100)/78` = 50 kg
APPEARS IN
संबंधित प्रश्न
Express the following as decimal fractions:
7.5%
An auctioneer charges 8% for selling a house. If a house is sold for Rs.2, 30, 500; find the charges of the auctioneer.
Find the value of `33 1/3 %` of 27 m
Find the value of the following:
20% of ₹ 150
Find the number that is 30% less than 70
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.
A number when increased by 18% gives 236. Find the number
Weight of Nikhil increased from 60 kg to 66 kg. Then, the increase in weight is ______ %.
The pieces of Tangrams have been rearranged to make the given shape.
By observing the given shape, answer the following questions:
- What percentage of total has been coloured?
- Red (R) = ______
- Blue (B) = ______
- Green (G) = ______
- Check that the sum of all the percentages calculated above should be 100.
- If we rearrange the same pieces to form some other shape, will the percentage of colours change?
Convert the fraction `4/5` into a percentage.
