Direction: Study the following information carefully and answer the question given below.

There are seven boxes of different colours namely, Red, Pink, Black, Orange, White, Green and Grey, which are kept vertically one above other but not necessarily in the same order. The topmost box is numbered as 7 and the bottommost box is numbered as 1.
The number of boxes kept below the white box is the same as the number of boxes kept above it. The pink box is not placed at the bottom of the stack. Two boxes are placed between black and white boxes. The grey box is placed above the white box but below orange box. Red and Green boxes are placed neither at the top nor at the bottom of the stack. The red box is placed immediately below the green box. Orange box is not placed at the top of the stack.