Latest Accenture Aptitude Question SOLUTION: Q. A bag contains 4 white,5 red and 6 blue balls.Three balls are drawn at random from the bag.the probability that all of them are red are????

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Q. A bag contains 4 white,5 red and 6 blue balls.Three balls are drawn at random from the bag.the probability that all of them are red are????

Asked In Accenture lokesh (11 years ago)

Solved PARAG KAMRA Read Solution (8)

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Read Solution (8) :

PARAG KAMRA  (11 years ago)

5c3/15c3=455/10=2/91(ans)

Is this solution Helpfull? Yes (30) | No (5)  

vishnukarthick  (11 years ago)

its 2/91
solution: (5/15)*(4/14)*(3/13)=2/91

Is this solution Helpfull? Yes (10) | No (3)  

Bijayalaxmi Behera  (11 years ago)

5c3/15c3=10/455=2/91(ANS)

Is this solution Helpfull? Yes (9) | No (1)  

kaamini sharma  (11 years ago)

15c3=455
5c3=10
so, 10/455=2/91

Is this solution Helpfull? Yes (7) | No   

hima deepika S S  (11 years ago)

ans:2/91
number of ways of selecting three balls from 5 red balls = 5c3 = 10
total number of ways to select three balls randomly from (6+5+4)=15 balls= 15c3
=455
probability of getting three balls from red= 5c3/15c3 = 10/455 = 2/91

Is this solution Helpfull? Yes (3) | No   

Rakesh Kumar  (11 years ago)

Total events of selecting 3 balls =15c3=455
Events of selecting 3 red balls=5c3=10

Probability of selecting only red balls =10/455
=2/91

Is this solution Helpfull? Yes (3) | No   

ASHISH KUMAR  (11 years ago)

5c3/15c3=10/455=2/91(ans)

Is this solution Helpfull? Yes (1) | No   

Sayantan Chakraborty  (11 years ago)

itsP(red ball)= 5c3/15c3=2/91

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