A series of figures are given which can be grouped into classes. Select the group into which the figures can be classified from the glven responses.

Options

A. 1, 5, 6 ; 2, 3, 4 ; 7, 8, 9
B. 1, 2, 4 ; 3, 5, 8 ; 6, 7, 9
C. 5, 6, 7 ; 1, 2, 4 ; 3, 8, 9
D. 1, 2, 4 ; 3, 5, 7 ; 6, 8, 9

Answer

B

Explanation

(1, 2, 4) `implies` Each design consists of three line segments.
(3, 5, 8) `implies` Each design consists of four line segments.