Which of the figures (a), (b), (c) and (d) will be the answer figure if the following rule is applied to figure (X)?

Rule: The curves should become straight lines and the straight lines should become curves.

In each of the following questions, choose the set of figures which follows the given rule.

Rule: Closed figure becomes more and more open.

In each of the following questions, choose the set of figures which follows the given rule.

Rule: Closed figures become more and more open and open figures become more and more closed.

In each of the following questions, choose the set of figures which follows the given rule.

Rule: Closed figures losing their sides and open figures gaining their sides.

In each of the following questions, choose the set of figures which follows the given rule.

Rule: Any figure can be traced by a single unbroken line without retracing.

In each of the following questions, choose the set of figures which follows the given rule.

Rule: The series becomes complex as it proceeds.

In each of the following questions, choose the set of figures which follows the given rule.

Rule: As the circle decreases in size, its sectors increase in number.

Choose the set of figures which follows the given rule.

Rule- Closed figures become more and more open and open figure become more and more closed.

In each of the following question, choose the set of figures which follows the given rule.

Rule: Closed figures become more and more open and open figures become more and more closed.