In a class of 42 students, the number of students studying different subjects are 23 in Mathemat.... VIDEO
In a class of 42 students, the number of students studying different subjects are 23 in Mathematics, 24 in Physics, 19 in Chemistry, 12 in Mathematics and Physics 9 Mathematics and Chemistry, 7 in Physics and Chemistry and 4 in all the three subjects. Then find the number of students who have taken exactly one subject.https://bit.ly/YTAI_PWAP https://www.pw.live
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