Analytical Reasoning

Q1: Find the number of triangles in the given figure.

A 11

B 13

C 15

D 17

ANS:C - 15

The figure may be labelled as shown. The simplest triangles are AKI, AIL, EKD, LFB, DJC, BJC, DHC and BCG i.e. 8 in number. The triangles composed of two components each are AKL, ADJ, AJB and DBC i.e. 4 in number. The triangles composed of the three components each are ADC and ABC i.e. 2 in number. There is only one triangle i.e. ADB composed of four components. Thus, there are 8+ 4 + 2 + 1= 15 triangles in the figure.



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