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Number system, LCM-HCF, simplification — quick quiz

5 RRB JE-pattern questions on Number system, LCM-HCF, simplification. Instant scoring and solutions — see where you stand in a few minutes.

Question 1 of 5

Easy

The HCF of two numbers is 6 and their LCM is 180. If one of the numbers is 30, what is the other number?