Gate CS-2015-1 Question Paper With Solutions

Q. 10 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. Following relations are drawn in m, p and c:

1. p + m + c = 27/20 
2. p + m + c = 13/20
3. (p) × (m) × (c) = 1/10

(A) Only relation 1 is true

(B) Only relation 2 is true

(C) Relations 2 and 3 are true

(D) Relations 1 and 3 are true

Answer: (D)

Explanation:

Gate CS-2015-1 Question Paper With Solutions

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