Percentage Practice Test 7 with solutions

Question : 1 of 40

Marks: +1, -0

During one year, the population of a town increased by 5% and during the next year, the population decreased by 5%. If the total population is 9975 at the end of the second year, then what was the population size in the beginning of the first year?

9000
9500
10,000
10,500

Validate

Solution:

Required Population

=9975/{(1+5/100)(1-5/100)}

=9975×20/21×20/21=10000

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