Non Verbal Reasoning - Analytical Reasoning - Discussion

Discussion Forum : Analytical Reasoning - Section 1 (Q.No. 1)
1.

Find the number of triangles in the given figure.

8
10
12
14
Answer: Option
Explanation:

The figure may be labelled as shown.

The simplest triangles are AHG, AIG, AIB, JFE, CJE and CED i.e. 6 in number.

The triangles composed of two components each are ABG, CFE, ACJ and EGI i.e. 4 in number.

The triangles composed of three components each are ACE, AGE and CFD i.e. 3 in number.

There is only one triangle i.e. AHE composed of four components.

Therefore, There are 6 + 4 + 3 + 1 = 14 triangles in the given figure.

Discussion:
53 comments Page 4 of 6.

Mahesh said:   7 years ago
The formula is;

No of nodes+2(no of inner nodes).
(3)

Raushan verma said:   1 decade ago
What is node, and what are inner and outer nodes ?

Pandiyan said:   1 decade ago
Please explain the formula to find the answer.

Krish said:   1 decade ago
14 no of triangles. Only counting no formulas.
(1)

Chiranjibi said:   1 decade ago
Tell me which is inner node in this picture?

RANJU said:   8 years ago
@Shalini.

I like your method. Thank you.

Hanan said:   1 decade ago
What is the meanings of components here?

Lakshmi Narasimha said:   8 years ago
Total number of nodes +innernodes * 2.

Rahul said:   8 years ago
Nice formula, thanks a lot @Priyanka.

Ali said:   1 decade ago
Can any one explain components again?


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