Question

In the adjoining matrix, group the given figures into three classes using each figure only once.

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

Answer 1

The correct option is A $1,4,7;2,5,8;3,6,9$

Figure $1,4,7$ are four line figure.
Figure $2,5,8$ are $3$-D figure.
Figure $3,6,9$ are three line figure.