In a race, the odd favour of cars P,Q,R,S are 1:3, 1:4, 1:5 and 1:6 respectively. Find the probability that one of them wins the race.

In a race, the odd favour of cars P,Q,R,S are 1:3, 1:4, 1:5 and 1:6 re

1.	In a race, the odd favour of cars P,Q,R,S are 1:3, 1:4, 1:5 and 1:6 respectively. Find the probability that one of them wins the race.
A.	319/420
B.	27/111
C.	114/121
D.	231/420
Answer» B. 27/111

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In a race, the odd favour of cars P,Q,R,S are 1:3, 1:4, 1:5 and 1:6 respectively. Find the probability that one of them wins the race.

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