After how many years normally census is conducted A) 3 Years B) 5 Years C) 10 Years D) 15 Years Related MCQs: The population census of 2017 was the …… census in the row? When the first papulation census conducted in Pakistan? When the first census was conducted in Pakistan? Five years ago the average of A and B was 15 years Average age of A, B and C today is 20 years how old will C be after 10 years.