In an office ratio of male members to female members is 4 : 9. If 6 more male members join the office, the ratio becomes 5:9. What is the total number of staff initially?
1
91
2
78
3
65
4
51
In an office ratio of male members to female members is 4 : 9. If 6 more male members join the office, the ratio becomes 5:9. What is the total number of staff initially?