there are containing 5 , 7 , 14 , 16 , 18 , 29 balls of either red or blue in colour. Some boxes contain only red balls and others contain only blue . One sales man sold one box out of them and then he says " I have the same number of red balls left out as that of blue ".

Which box is the one he solds out ?

• see .......think this question as.... there are seperate 6 boxes which contains balls as red or blue ...so if box sold den the remaing sum of the balls must be divided into exactly half ...so if we sold 29 balls "s box we left wid 5 ,7,14,16,18 boxes which adds as (14+16)=(7+18+5) (30) hence we got to know that sales man sold 29 balls box .
  
• 12 years agoHelpfull: Yes(11) No(4)
• 29
  will be removed
  and then it becomes 5+7+18=30
  and 14+16=30
• 12 years agoHelpfull: Yes(3) No(0)