The night before the exam, sleep. A rested mind recalls what a tired one has only read.

LCM and HCF — quick quiz

5 RRB NTPC-pattern questions on LCM and HCF. Instant scoring and solutions, no signup — see where you stand in a few minutes.

Question 1 of 5

Medium

The HCF of two numbers is 15 and their LCM is 300. If one of the numbers is 60, what is the other number?