Answer: 4:9
Explanation:
The complete question is provide in the attachment below.
Given, Number of females = 125
Number of males = 100
Total people = 120+100=225
Now, the ratio of males to the total number of people present =


Divide numerator and denominator by 25 , we get
Ratio of males to the total number of people present =
Hence, the ratio of males to the total number of people present = 4:9