If the population of a certain country increases at the rate of one person every 15 second, by how many persons does the population increase in 20 minutes?
Created: 6 years ago |
Updated: 2 years ago
best des
Population increased in 15 sec = 1
Population increased in 60 sec or 1 min = 1×4 = 4
Population increased in 20 min = 4×20 = 80
Md Azizur Rahman
Founder of Satt
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