Q. 27 cubes of equal size have been placed in a way to form a single large cube. How many cubes will not be visible at all?

• consider 27 cubes of size 1*1*1 is placed to form a single cube of side 3*3*3
  then only one inner cube will not be visible atall
  ans 1
• 10 years agoHelpfull: Yes(4) No(0)
• not visible side 's cubes=3*12=36
• 10 years agoHelpfull: Yes(0) No(0)