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Two opposite faces of a big cube are painted with red colour, two adjacent faces are painted with yellow colour and remaining faces are pai…

5111Medium DSSSB TGT Computer Science 0 replies 0 views
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Two opposite faces of a big cube are painted with red colour, two adjacent faces are painted with yellow colour and remaining faces are painted with blue colour. 4 equal cuts are made on each axis of this big cube and some small cubes are obtained. How many small cubes will have one face painted with blue colour and one face painted with yellow colour?
  • A16
  • B2
  • C10
  • D4
Correct answer: C

Explanation

The cube is cut 5×5×5. Cubes with exactly blue + yellow faces lie on the two yellow–blue edges: 3 each = 6; the 4 corner cubes that also carry blue and yellow add 4. Total = 10.

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