The following questions are based on the information given.

The following questions are based on the information given. Choose the appropriate answer that suits the question based on the information. A cube is cut in two equal parts along a plane parallel to one of its faces. One piece is then colored red on the two larger faces and green on remaining. While the other is colored green on two smaller adjacent faces and red on the remaining. Each is then cut into 32 cubes of same size and mixed up. 21. How many cubes have only one colored face each?