Postal or Sorting Assistants Model Paper 5 With Solutions

(d) The figure may be labelled as shown

The simplest triangle are
- AEJ and AJF i.e. 2 in number.
The triangles composed of two components each are- AGI, AIH AEF i.e. 3 in number.
The triangles composed of three components each are- ABD, ADC i.e. 2 in number.
The triangle composed of four components is AGH i.e. in number.
The triangle composed of six components is ABC. i.e. 1 in number.
So total triangles are = (2+ 3 + 2 + 1 +1) = 9