A) 5400
B) 5500
C) 5600
D) 5800
Correct Answer: A
Solution :
Present populations | after 1 yr | Next year |
x | \[x+20%\] of | \[x\left( x+\frac{x}{5} \right)-20%\] of \[\left( x+\frac{x}{5} \right)\] |
or | or | |
x | \[\left( x+\frac{x}{5} \right)\] | \[\frac{4}{5}\left( x+\frac{x}{5} \right)\] |
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