The correct option is C 1.24MB
Floppy disk can have a capacity of 360KB, 720KB, 1.44MB but not 1.24MB. Floppy disk is a type of storage composed of disk of thin and flexible magnetic storage medium. Floppy disk initially as 200mm and latre in 133mm and 90mm sizes were a ubiquitous form of data storage and exchange from the mid 1970's into the first years of 21st century.