Question

out of 120 application for a post 70 are male and 80 have a driver licence what is the ratio between min and maximum number of males having driver's license

Answer 1

As all the males could have a driving license then the maximum is 70.

50 of the applicants are female and could all have a driving license.  If there are 80 in total who have a driving license then the minimum number of males having a license is 30