The population of a town 2 years ago was 62,500. Due to migration to big cities, it decreases every year at the rate of 4%. The present population of the town is
A) 56,700
B) 57,600
C)58,800
D) 60,000
Correct Answer:
B
Solution :
[b] Present population \[=62500\times {{\left( 1-\frac{4}{100} \right)}^{2}}=57,600.\]