If odds against solving a question by three students are 2 : 1, \[5:2\] and \[5:3\] respectively, then probability that the question is solved only by one student is [RPET 1999]

If odds against solving a question by three students are 2 : 1, \[5:2\

1.	If odds against solving a question by three students are 2 : 1, \[5:2\] and \[5:3\] respectively, then probability that the question is solved only by one student is [RPET 1999]
A.	\[\frac{31}{56}\]
B.	\[\frac{24}{56}\]
C.	\[\frac{25}{56}\]
D.	None of these
Answer» D. None of these

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If odds against solving a question by three students are 2 : 1, \[5:2\] and \[5:3\] respectively, then probability that the question is solved only by one student is [RPET 1999]

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