Question

the LCM of two numbers is 42. If both the numbers of 2 digits and not exact multiple of each other ,what are the numbers

Answer 1

2 pairs of two digit will have lcm as 42 ....
21,42
14,21
first one is not satisfying the condition of not being multiple therefore answer is: 14 & 21.........
It has only two pairs because 42/1,42/2,42/3 only give u two digit whole number