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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?
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उत्तर
1) Population of Rajasthan in 3 km2 area = 570 lakh
Population of Rajasthan in 1 km2 area = `570/3` = 190 lakh
Population of U.P in 2 km2 area = 1660 lakh
Population of U.P in 1 km2 area = `1660/2` = 830 lakh
2) It can be observed that population per km2 area is lesser for Rajasthan. Therefore, Rajasthan is less populated.
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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 |
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