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CAT 2017 Probability — Previous Year Question

Year

CAT 2017

Section

Quantitative

Topic

Probability

Difficulty

Medium

Question

Slot-1

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, a 50% chance of passing in at least two and a 40% chance of passing in exactly two, which of the following relations are true.

p+m+c = 27/20

p+m+c = 13/20

pmc = 1/10

Both (a) and (c)

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