Question
All the soldiers are arranged in the form of an equilateral triangle
All the soldiers are arranged in the form of an equilateral triangle
i.e. one soldier in the front and 2 soldiers in the second row and 3 soldiers in the third row. 4 soldiers in the fourth row and so on. If 669 more soldiers of another company are added in such a way that all the soldiers now are in the form of an square and each of the sides then contain 8 soldiers less than each side of equilateral triangle. Initially, how many soldiers were there?
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