English and Logical Reasoning Prep GuideLogical ReasoningCounting of Figures
How many triangles are there in the given figure?
Options
- A40 or more
- B16
- C18
- D28
Correct answer
A. 40 or more
Step-by-step solution
First of all take one block and count the number of triangles: The triangles are : IAB; IJB; IAH; IHJ; AHB ; ABJ ; AHJ ; BJH ; There are four such blocks. Therefore, the number of simple triangles =4 8=32 Now, count the composite triangles: △ JAC; JAG; JCE; JGE; BHD ; DBF ; FDH ; HBF ; △ AGE; CEG; CAE; AGC; Thus, there are more than 40 triangles.