The population of Delhi is increasing at a rate of 7 \(\%\) p.a. If the population was 479252 in the year 2017. Find the population in the year 2015 and 2020. (Use: 1.072 \(\approx\) 1.145 and 1.073 \(\approx\) 1.225)
 
Answer:
 
(i) The population of Delhi in 2015 \(=\) .
 
(ii)The population of Delhi in 2020 \(=\) .
  
[Note: Submit the answer as a whole number.]