Question

In a class of 55 students 23 study music ,24 physiology and 19 computer, 12 study music and physiology, 9 study music and computers, 7 study physiology and computer and 4 study all the three number of students who have only one of the three subject is?



solve this question ​

Answer 1

Step-by-step explanation:

Music = 23+12+9+4=48

Physiology = 24+12+7+4=47

Computer = 19+9+7+4=39

Total students are there 134

Answer 2

Answer:

$music \: = \: 23 + 12 + 9 + 4 = 48$

$physiology \: = \: 24 + 12 + 7 + 4 = 47$

$computer \: = \: 19 + 9 + 7 + 4 = 39$

$total \: number \: of \: students \: = 48 + 47 + 39 =134$