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प्रश्न
An equivalent ratio of 4 : 7 is
विकल्प
1 : 3
8 : 15
14 : 8
12 : 21
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उत्तर
12 : 21
Explanation;
Hint: `12/21 = (3 xx 4)/(3 xx 7)`
= `4/7`
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संबंधित प्रश्न
Population of Rajasthan = 570 lakhs and population of UP = 1660 lakhs.
Area of Rajasthan = 3 lakh km2 and area of UP = 2 lakh km2.
1) How many people are there per km2 in both these States?
2) Which State is less populated?
Fill in the following blanks:
| 14 | = | = | 6 | |
| 21 | 3 |
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Fill in the blank for the given equivalent ratio.
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Give two equivalent ratios of the following.
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3 : 4 or 7 : 8
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The table lists the world’s 10 largest deserts.
| Largest Deserts in the World | |
| Desert | Area (km2) |
| Sahara (Africa) | 8,800,000 |
| Gobi (Asia) | 1,300,000 |
| Australian Desert (Australia) | 1,250,000 |
| Arabian Desert (Asia) | 850,000 |
| Kalahari Desert (Africa) | 580,000 |
| Chihuahuan Desert (North America) | 370,000 |
| Takla Makan Desert (Asia) | 320,000 |
| Kara Kum (Asia) | 310,000 |
| Namib Desert (Africa) | 310,000 |
| Thar Desert (Asia) | 260,000 |
- What are the mean, median and mode of the areas listed?
- How many times the size of the Gobi Desert is the Namib Desert?
- What percentage of the deserts listed are in Asia?
- What percentage of the total area of the deserts listed is in Asia?
