Respuesta :
There could be many possibilities for this based on the information given.
If the HCF of 42 and another number is 6, that other number can either be:
6, 12, 18, 24, 30, 36 etc... (basically any multiple of 6)
If the HCF of 42 and another number is 6, that other number can either be:
6, 12, 18, 24, 30, 36 etc... (basically any multiple of 6)