Question

Which pair of numbers has the least common multiple of 60? 2 and 12 5 and 12 6 and 12 3 and 12

Answer 1

Explanation: As the least common multiple of two numbers is 60 , the two numbers are factors of 60 . Among {1,2,3,4,5,6,10,12,15,20,30,60} , 3 & 10 and 5 & 12 are the only two pair of numbers whose difference is 7 .