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

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

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

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

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

Explanation: 5, 8, 9 are objects having both base as well as upper lid. 2, 3, 6 are objects having base but not upper lid. 1, 4, 7 tare objects which have neither a base nor an upper lid attached to them.