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Explanation: The operation involves a reflection in the vertical plane through the centre of the
figure. Option B is correct

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Explanation: The same eight elements are arranged randomly in each figure. Option B is the
only option which has these same eight elements.

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Explanation: An alternating series in which the next figure requires the top and bottom elements plus two solid black shapes arranged vertically. Option D is correct.

 

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Explanation: The short line moves 45% clockwise with each iteration. The shape which appears in the top left moves to the bottom right, replacing any shape which already there. Another shape may (or may not) appear in the top left.

Option C is correct.

 

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Explanation: The centre circle is alternating between clear and solid. An extra line is added every second iteration.     Option C is correct.