Aptitude - Question 12

+2 votes
400 students appeared for GATE and CET examinations. 
60% passed in GATE, 45% passed the CET and 25% passed both. 
Find the probability that a student selected at random has failed in both the examinations?
(A) 1/4 
(B) 1/5
(C) 1/3 
(D) 6/10
asked May 10, 2019 in Aptitude by getgatebook (34,770 points)
reshown May 11, 2019 by getgatebook

1 Answer

+3 votes
 
Best answer
60 % passed in GATE 45 % passed in CET 25 % passed in both

total passed in GATE or CET = 60 +45 -25 =80

20 % failed

probability is 1/5
answered May 11, 2019 by tsankitjha910 (3,750 points)
selected May 11, 2019 by getgatebook
Answer:
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