No, arranging all children to say ‘0’ is impossible because at least one child will be taller than their neighbors. Height differences ensure that some children will perceive taller neighbors.
Class 6 Mathematics Ganita Prakash Number Play
Class 6 Mathematics Chapter 3 Number Play question answer
It’s not possible to arrange the children in a line so that all say ‘0’. For a child to say ‘0’, neither neighbor can be taller. However, since the children have varying heights, at least one child will always be taller than their neighbors. This height difference means some children will always have taller neighbors, preventing an arrangement where every child says ‘0’.
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