From 50 students taking examination in mathematics, physics and chemistry, each of the student has passed in at least one of the subjects, 37 passed mathematics, 24 physics and 43 chemistry. At most 19 passed mathematics and physics, at most 29 mathematics and chemistry and at most 20 physics and chemistry. What is the largest possible no. that could have passed in all the three subjects?

is the answer 14??

  • 42
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