Question

How many minimum number of straight lines is needed to construct the below figure?

• A. $17$
• B. $11$
• C. $13$
• D. $16$

Answer 1

The correct option is C $13$


The horizontal lines are AE and JF i.e., $2$ in number.
The vertical lines are AJ, CH and EF i.e., $3$ in number.
The slant lines are AG, BF, JD, IE, AB, DE, JI and FG i.e., $8$ in number.

Total number of straight lines needed to construct the figure $=2+3+8=13$