Find the ratio between the number of male employees in Production department and number of female employees in Marketing department.

Total number of male employees in the company = 640 Let the number of male employees in HR department be x. Now, number of male employees in IT department = x ndash; 10 Number of male employees in Marketing department = x ndash; 20 Number of male employees in Production department = x ndash; 30 According to question, =gt; x + x ndash; 10 + x ndash; 20 + x ndash; 30 = 640 =gt; 4x = 640 + 60 =gt; x = 175 So the number of male employees in HR department = 175 Number of male employees in IT department = 165 Number of male employees in Marketing department = 155 Number of male employees in Production department = 145 Number of female employees in Marketing department = 145 Number of female employees in IT department = 160 Number of female employees in HR department = 160 times; (7/8) = 140 Number of female employees in Production department = 160 times; (5/8) = 100 Required ratio = 145 : 145 = 1:1