Cubes and Dice.

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Presentation transcript:

Cubes and Dice

Direction for Q1 to Q5: A 6’’ cube is painted red on two opposite sides, black on the other two opposite sides and green over the left out sides. It is then cut into one inch cubes. Answer the following based on the above statement. 1. How many cubes have no side painted? 8 64 16 24 Ans: B

2. How many cubes have just one side painted? 96 106 36 92 Ans: A 3. How many cubes have three sides painted? 4 8 10 9 Ans: B

4. How many cubes have only two or three sides painted? 152 120 56 216 Ans: C 5. How many cubes have one side black? 32 16 64 6 Ans: B

6. How many cubes have one face red and an adjacent faces green? 6 8 16 Ans: A 7. How many cubes have at least one face coloured? 76 89 c) 95 d) None of these D

8. How many cubes have at least two green faces each? 27 44 None of these Ans: D 9. How many cubes are without any colour? 64 12 Ans: B

Practice questions: When the following figure is folded to form a cube, how many dots lie opposite the face bearing five dots? 1 2 3 4 Ans: C

2. Choose the box that is similar to the box formed from the given sheet of paper (X). 1 and 2 only 1 and 3 only 3 and 4 only 1, 2, 3 and 4 Ans: B

3. Choose the box that is similar to the box formed from the given sheet of paper (X). 1 only 1 and 3 only 1, 3 and 4 only 1, 2, 3 and 4 And: A

4. Choose the box that is similar to the box formed from the given sheet of paper (X). 1 only 1, 2 and 3 only 2 and 3 only 1, 2, 3 and 4 Ans: D

5. Choose the box that is similar to the box formed from the given sheet of paper (X). 1, 2 and 3 only 2 and 3 only 1, 3 and 4 only 2, 3 and 4 only Ans: D

6. Choose the box that is similar to the box formed from the given sheet of paper (X). 1 only 1 and 3 only 1, 3 and 4 only 1, 2, 3 and 4 Ans: C

7. Choose the box that is similar to the box formed from the given sheet of paper (X). 1 only 2 only 1 and 3 only 1, 2, 3 and 4 only Ans: B

Direction for Q13 to Q17: A cube of side 10 cm is coloured red with a 2 cm wide green strip along all the sides on all the faces. The cube is cut into 125 smaller cubes of equal size. Answer the following questions based on this statement: 13. How many cubes have three green faces each? 4 8 16 Ans: C