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Explanation: The whole figure is rotated through 90 degrees anticlockwise. Option B is the
correct answer.

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Explanation: The square-within-square is reflected in the vertical plane. The cross becomes a
white square. The black lines are rotated through 90 degrees and a black line is added
between them. Option D is the correct answer.

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Explanation: The rectangle is reflected in the horizontal plane. The square is reflected in the
vertical plane. Option B is the correct answer.

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Explanation:This transformation follows three rules depending on the colour of the squares on
each end of the three lines. If both squares are white, they are removed. If both
squares are black, they become white. If there is a black and a white square, then both
squares become black. Option D is correct 

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Explanation: The figure is rotated through 90 degrees anticlockwise and the colours are inverted.
Option C is correct.