SSC MTS 9 May 2023 Shift 1 Paper

The pie chart given below shows the number of mobile phones sold by six companies in a year. The total mobile phones sold by six companies are 500. Number of mobile phones sold by a particular company is shown as a percentage of total number of mobile phones sold by all these six companies. 

What is the ratio of number of mobile phones sold by C to number of mobile phones sold by F?