A radio station surveyed 190 students to determine the types of music they liked. The survey revealed that 114 liked rock music, 50 liked folk music, and 41 liked classical music, 14 liked rock music and folk music, 15 liked rock music and classical music, 11 liked classical music and folk music. 5 liked all the three types of music.how many liked rock music, folk music but not classical only?  Choose the correct choice from the following options:	A) 14	B) 5	C) 114	D) 9	E) 15
Let R, F and C represent the sets of students who liked rock music, folk music and classical music respectively.   R=114   F=50, C=41   R and F but not C= 14-5= 
<gadget id="calculator">14-5</gadget>
<output>9</output>
9   ANSWER 9
<result>D</result>
A radio station surveyed 190 students to determine the types of music they liked. The survey revealed that 114 liked rock music, 50 liked folk music, and 41 liked classical music, 14 liked rock music and folk music, 15 liked rock music and classical music, 11 liked classical music and folk music. 5 liked all the three types of music.how many liked rock music, folk music but not classical only?