document.write( "Question 716060: Ben and Mark are students of Mr. Brown. \n" );
document.write( "Mr. Brown's birthday is on N/M1970 and both of them know that Mr. Brown's birthday is one of these 10 dates.\r \n" );
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document.write( "4/3/1970 5/3/1970 8/3/1970 \n" );
document.write( "4/6/1970 7/6/1970 \n" );
document.write( "1/9/1970 5/9/1970 \n" );
document.write( "1/12/1970 2/12/1970 8/12/1970\r \n" );
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document.write( "Mr Brown tells Ben the value of M and tells Mark the value of N. Then Mr.Brown asks them, \"Do you know when is my birthday?\"\r \n" );
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document.write( "Ben says,\"I don't know, but I can ensure that Mark doesn't know too.\" \n" );
document.write( "Mark says, \"Initially I don't know, but I know it now.\" \n" );
document.write( "Ben says,\" Oh then I know it too\"\r \n" );
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document.write( "Based of the dialogue and the dates given, can you figure out which date is Mr Brown's birthday? \n" );
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