Question

55. The population of a city after 2 yr, which is at
present 12 lakh, if the rate of increase is 4%,
is
(a) 1264250
(b) 1245010
(c) 1297920
(d) 1310042​

Answer 1

Answer:

Comparing Quantities. Find the population of a city after 2 years, which is at present 12 lakh, if the rate of increase is 4%. Rate of increase, R = 4% p.a. Thus, the population of the town will be 12,97,920 after 2 years.

Answer 2

Answer:1297920

Explanation :

Hey mate, here is your answer!!!!!!!

present population = 12 lakh = 1200000

Time = 2 years

Rate of increase = 4%

Therefore, population after 2 years is

=present population (1+r/100)^2

=1200000 (1+4/100)^2

=1200000 * (104/100)^2

=1200000 * 104/100 * 104/100

= 120 * 104 * 104

=1297920

Hope its help you :)