Question

10.
The population of a village is decreasing by 10% every year. If the population is
4374 this year then what would have been its population before 3 years ?
a) 4500
b) 6500
c) 6005
d) 6000​

Answer 1

Answer:

Step-by-step explanation:

4374+30% X 100

4374+ 30 / 100 X 100

4404 / 100 X 100

4404 X 100 / 100

440400 / 100

4404

Answer 2

Answer:

10%=1/10

decreased every year

so.

earlier after decreased

1st year 10 9

2nd yr 10 9

3rd yr 10 9

-------- -------

1000 729 ----×6-----= 4374

therefore 1000×6=6000

so number of population before there years = 6000