Before a race the chances of three runners, A,B,C, were estimated to be proportional to 5,3,2; but during the race A meets with an accident which reduces his chance to one-third. What are now the respective chances of B and C?
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Solution
Before the race, A's chances of losing =310210=12
After the accident, A's chances of losing =1−13=23
∴ A's chances of lossing has increased in the ratio 43
Hence, B's and C's chances of winning has also increased in the same ratio.