Directions : A cube painted yellow on all faces is cut into 27 small cubes of equal sizes. Answer the questions that follow :

11. How many cubes are painted on one face only ?

  A.  4
  B.  1
  C.  8
  D.  6
     
   
View Answer

Option (D) is the correct answer.

12. How many cubes are not painted on any face ?

  A.  4
  B.  1
  C.  6
  D.  8
     
   
View Answer

Option (B) is the correct answer.


13. All surfaces of a cube are coloured. If a number of smaller cubes are taken out from it, each side tl4th size of the original cube's side, indicate the number of cubes with only one side painted :

  A.  16
  B.  20
  C.  24
  D.  40
     
   
View Answer

Option (C) is the correct answer.


Directions : A solid cube of each side 8 cms, has been painted orange, yellow and black on pairs of opposite faces. It is then cut into cubical blocks of each side 2 cms.

14. How many cubes have no face painted ?

  A.  2
  B.  8
  C.  5
  D.  10
     
   
View Answer

Option (B) is the correct answer.


15. How many cubes have only one face painted?
  A.  24
  B.  20
  C.  18
  D.  30
     
   
View Answer

Option (A) is the correct answer.


16. How many cubes have only two faces painted ?
  A.  18
  B.  22
  C.  28
  D.  24
     
   
View Answer

Option (D) is the correct answer.


17. How many cubes have three faces painted ?
  A.  5
  B.  8
  C.  6
  D.  9
     
   
View Answer

Option (B) is the correct answer.


18. How many cubes have three faces painted with different colours ?
  A.  8
  B.  6
  C.  4
  D.  5
     
   
View Answer

Option (A) is the correct answer.


19. How many cubes have two faces painted red and black and all other faces unpainted ?
  A.  5
  B.  7
  C.  8
  D.  10
     
   
View Answer

Option (C) is the correct answer.


20. How many cubes have only one face painted red and all other faces unpainted ?
  A.  06
  B.  08
  C.  12
  D.  16
     
   
View Answer

Option (B) is the correct answer.


21. How many cubes have two faces painted black?
  A.  0
  B.  2
  C.  3
  D.  5
     
   
View Answer

Option (A) is the correct answer.


22. How many cubes have one face painted blue and one face painted red ? (the other faces may be painted or unpainted)
  A.  18
  B.  12
  C.  14
  D.  16
     
   
View Answer

Option (D) is the correct answer.


23. How many cubes are there in all ?
  A.  54
  B.  62
  C.  64
  D.  58
     
   
View Answer

Option (C) is the correct answer.


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