This video lecture consists of LCM and HCF which is a part of MATHEMATICS. A very helpful and must watch video for SSC- CGL,SSC-CHSL, GOVERNMENT JOB, CAT, ELITMUS & AFCAT ASPIRANTS. It contains the questions as well short cuts & tricks along with appropriate examples and discussion on previous year paper questions. In this video tricks are given on how to solve questions of LCM and HCF which are generally missing in books.

source