The probabilities that a student passes in Mathematics, Physics and Chemistry are m, p and c respectively. Of these subjects the student has 75% chance of passing in at least one subject, 50% chance of passing in at least two and 40% chance of passing in exactly two. which is true?

Options

A. p + m + c = `27/20`, pmc = `1/10`
B. p + m + c = `19/20`, pmc = `3/10`
C. p + m + c = `17/20`, pmc = `7/10`
D. p + m + c = `13/20`, pmc = `1/4`

Answer

A