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If m rupees coins and n ten paise coins ...

If m rupees coins and n ten paise coins are placed in a line, then the probability that the extreme coins are ten paise coins is (Assume coins of same type are identical)

A

`(m(m-1))/((m+n)(m+n-1))`

B

`(n(n-1))/((m+n)(m+n-1))`

C

`(m(n-1))/((m+n)(m+n-1))`

D

none of these

Text Solution

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The correct Answer is:
B
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