csatmedium

Each of the six different faces of a cube has been coated with a different colour i.e., V, I, B, G, Y and O. Which is the colour of the face opposite to the face coloured with O, given the following information:

  1. 1.Colours Y, O and B are on adjacent faces.
  2. 2.Colours I, G and Y are on adjacent faces.
  3. 3.Colours B, G and Y are on adjacent faces
  1. A.B
  2. B.V
  3. C.G
  4. D.I
▶ Answer & Explanation

Correct answer: D. I

The statements indicate that Y is adjacent to O, B, I, and G. Since a face on a cube can only have four adjacent faces, Y must be the central face connecting these other colours. The only colour not mentioned as adjacent to Y is V, implying V is opposite to Y. Similarly, O is adjacent to Y and B. If O is adjacent to Y and B, and I is adjacent to Y and G, then considering the adjacencies of Y, O must be opposite to I. Therefore, I is opposite to O.

Source: UPSC csat 2015

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