The question you are about to read is based on our imagination but it is on the other hand real too...... so let your mind go free....

What is the maximum number of balls which can be placed around one ball of the same size so that the latter touches each of the former i.e the middle one should touch all the balls kept around it......

If you got X as your answer then, what is 1+2+3.......+(X-1)+X??

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