How can a cake(circular) be cut into 8 pieces by making just 3 cuts?  Choose the correct choice from the following answers:
A) 21
B) 787
C) 37
D) 26
E) 01
Explanation:   Cut the cake using three mutually perpendicular planes. It leaves 8 pieces, one each in each octant.   21nswer21
<result>A</result>
How can a cake(circular) be cut into 8 pieces by making just 3 cuts?