Total students=1,200
Total number of students whose favorite movie genre is Romance= 10%
So,
10% of total students= 10% of 1,200
Therefore, the Total students who chose romance= 10/100*1200=120
Similarly, 10% of students chose Science fiction, and the total number of students who chose science fiction=10/100*1200=120
Therefore,
Total students who chose romance=120
Total students who chose science fiction=120