UPSC CDS Math HCF and LCM of Numbers and Polynomials Questions

Question : 22 of 31

Marks: +1, -0

There are 48 cricket balls, 72 hockey balls and 84 tennis balls, and they have to be arranged in several rows in such a way that every row contains the same number of balls of one type. What is the minimum number of rows required for this to happen?