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प्रश्न
Calculate the population density of the area shown in 1 sq.km, of square in ‘a’ and ‘b’ each.
 = 80 people |
|
|
(a) |
(b) |
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उत्तर
(a)
In fig. (a) there are 16 
Each 
= 80 people
Total number of people = 16 × 80 = 1280
Fig. (a) has a population density of 1280 people per sq. km.
(b)
In fig. (b) there are 23
Each 
= 80 people
Total number of people = 23 × 80 = 1840
Fig. (b) has a population density of 1840 people per sq. km.
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