Grouping of Images - Verbal and Reasoning

Directions to SolveIn each of the following questions, group the given figures into three classes using each figure only once.
Q1:

Group the given figures into three classes using each figure only once.

A 1,3,5 ; 2,6,9 ; 4,7,8

B 2,3,4 ; 5,6,8 ; 9,1,7

C 1,3,5 ; 2,6,8 ; 4,7,9

D 3,2,4 ; 6,5,8 ; 7,9,1

ANS:C - 1,3,5 ; 2,6,8 ; 4,7,9

Explanation: 1, 3, 5 are figures having partially or completely curved boundaries. 2, 6, 8 are all triangles. 4, 7, 9 are all quadrilaterals.