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? (
Correct Answer: Description for Correct answer:
H.C.F. of 48, 72, 84
i.e., 48 = 2 X 2 X 2 X 2 x3
72 = 2 x 2 x 2 x 3 x 3
84 = 2 x 2 x 3 x 7
H.C.F. = 2 x 2 x 3 = 12
Hence minimum number of required row is 12
Option (A)is correct.
Part of solved CDS Maths(1) questions and answers :
Exams >> CDSE >> CDS Maths(1)