Saumya Krishna's post

in xat 2015 quant thread
Updated 4 years ago

Six balls numbered  1 to  6 are to be placed in six boxes numbered 1 to 6 .If the balls are to be placed at random into  the  boxes  then the probability that  

1) at least two balls are to be placed in corresponding  numbered  boxes

A) 191/720 b) 529/720 

C) 1/720 d ) 1/60
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balu.saiteja
@balu.saiteja  ·  0 karma

no balls at their corresponding place=265..can u plz explain in detail??

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deb.mukh002
@deb.mukh002  ·  0 karma

dearrangement bhai @balu.saiteja 

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