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

Options

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

Answer

D

Explanation

The figures 1, 2, 5, and 8 are either acute or obtuse angles. The figures 3, 4, 6 and 7 are right angles.