In one year, the population, of a village increased by and in the next year, it decreased by . If at the end of 2nd year, the population was 7920, what was it in the beginning?
A. 8500
B. 8000
C. 8100
D. 8400
Answer:B
In one year, the population, of a village increased by and in the next year, it decreased by . If at the end of 2nd year, the population was 7920, what was it in the beginning?
A. 8500 B. 8000 C. 8100 D. 8400