Data of 500 students who took an examination of Physics, Chemistry and…

Data of 500 students who took an examination of Physics, Chemistry and Mathematics is given below: Passed in all the subjects → 176

Failed in all the subjects → 70

Failed in Physics → 185

Failed in Chemistry → 217

Failed in Mathematics → 201

Passed in Physics only → 84

Passed in Chemistry only → 52

Passed in Mathematics only → 73

How many students passed in at least one subject?