In a survey of 150 students, it was found that 80 students study Mathematics, 70 study Physics, and 50 study Chemistry. If 30 students study both Mathematics and Physics, 20 study both Mathematics and

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Problem: In a survey of 150 students, it was found that 80 students study Mathematics (set A), 70 study Physics (set B), and 50 study Chemistry (set C). If 30 students study both Mathematics and Physics, 20 study both Mathematics and Chemistry and 15 study both Physics and Chemistry, and 10 students study all three subjects, how many students study only Mathematics?

Step 1: Identify the given information.
Let M represent Mathematics, P represent Physics, and C represent Chemistry.
Total students = 150
$|M| = 80$
$|