Single And Double..Help Ali!!
Ali is their neighbor and has an apple tree. Ali wants to go in that home to give the apples to the boys. The boys want to play tricks on Ali with some magic. They have a magic box which can double things. They planned that Ali must double the number of apples after every boy. The rule is that the distribution of apples must be equal and he must have no more apples after giving the last one. How many apples must Ali pluck from the tree?