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Algebra

New kid on the Block

 Joined: 18 Jan 2007 Post: 16
18 Jan 2007 18:30:10 IST
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4
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probability
Engineering Entrance , JEE Main , JEE Advanced , Mathematics , Algebra

A,B,C are three horses in a race.the probability of A to win the race is twice that of B,and the probability of B is twice that of C.what are the probabilities of A,Band C to win the race?
i've found out P(A)=4/7
P(B)=2/7
P(C)=1/7.
can you plzzz... tell me what are the prob.of A,B,C to win race?what does this mean?

#### Comments (4)

Cool goIITian

Joined: 17 Jan 2007
Posts: 35
18 Jan 2007 21:43:40 IST
0 people liked this

do u know wat is the answer ????

New kid on the Block

Joined: 18 Jan 2007
Posts: 16
19 Jan 2007 13:49:44 IST
0 people liked this

ya! 3/7

Cool goIITian

Joined: 9 Jan 2007
Posts: 56
19 Jan 2007 14:40:53 IST
1 people liked this

LET PROB OF C IS X THEN P(B)=2X.P(A)=4X...ONE OF THEN WINS SO PA+PB+PC=1. X=1/7. PA=4/7,PB=2/7

New kid on the Block

Joined: 18 Jan 2007
Posts: 16
20 Jan 2007 13:21:32 IST
0 people liked this

i guess even i've figured out that.it would be better if you answer the second part of my question!

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