Select the figure that will come next in the following figure series.

In the first, second, third, and fourth boxes, the given shapes have three, four, five, and six sides respectively.

In the same way. the shape in the fifth box will have seven sides.

Here options (a) and (c) can be eliminated. Because these have eight sides.

As we can see in each question figure, the line is touching the corners.

By this option (d) can be eliminated.

Hence the figure given in option (b) will come in place of the question mark.