Direction: Study the following information carefully to answer the given questions.

There are seven boxes A1, A2, A3, A4, A5, A6, and A7 placed one above the other not necessarily in the same order. A1 is placed at an even position. A2 is placed immediately above A1. The number of boxes placed above A1 is the same as the number of boxes placed below A5. Three boxes are placed between A2 and A6. A7 box is placed immediately below A4. Box A7 is not placed adjacent to Box A6.