Question

The population of a certain town increased at a certain
rate per cent per annum. Now it is 456976. Four years ago, it was
390625. What will it be 2 years hence

someone please answer with explanation​

Answer 1

Answer:

Increased by 50%= 1.5 times

160×1.5

n

=810

where,

n=number of 50 years period

1.5

n

=

16

81

(

2

3

)

n

=

16

81

=(

2

3

)

4

So,

n=4

So there will 4 50years period which means in year =1950−(4×50)=1950−200=1750 population was 160