Question

in a class of 280 persons, 120 like pop music and 200 like jazz music. how many like a. both music b. pop music only c. jazz music only d. none of the music​

Answer 1

Both: 40

Pop: 80

Jazz: 160

None: 40

Explanation:

200 + 120 = 320

320 - 280 = 40

Overlap of 40

200 - 40 = 160

120 - 40 = 80

160 + 80 = 240

280 - 240 = 40