Non Verbal Reasoning - Analytical Reasoning - Discussion

Discussion Forum : Analytical Reasoning - Section 1 (Q.No. 5)
5.

Find the number of triangles in the given figure.

18
20
24
27
Answer: Option
Explanation:

The figure may be labelled as shown.

The simplest triangles are IJO, BCJ, CDK, KQL, MLQ, GFM, GHN and NIO i.e. 8 in number.

The triangles composed of two components each are ABO, AHO, NIJ, IGP, ICP, DEQ, FEQ, KLM, LCP and LGP i.e.10 in number.

The triangles composed of four components each are HAB, DEF, LGI, GIC, ICL and GLC i.e. 6 in number.

Total number of triangles in the figure = 8 + 10 + 6 = 24.

Discussion:
33 comments Page 3 of 4.

Mukesh vaishnav said:   8 years ago
It has 25 triangles.

Ans- middle square has =8 triangles by twice method( count all triangles and then last part *2) then you see three same types of triangles at first, second and at last which has 3 - 3 - 3 equal triangles =9, and at last small and simple triangles are 8 (at sides and middles). So that's all answer is 25.

Swathi said:   7 years ago
@All.

The shortcut method is;

Total no.of nodes + 2(no.of inner nodes).
=14 + 2 (5),
=24.
(1)

Girl said:   6 years ago
Any easy method, please?

Ram said:   6 years ago
26 is the correct answer.

Lakshmialekhya said:   5 years ago
How the inner nodes are calculated? Please explain to me.

Lahari said:   4 years ago
How the inner nodes calculated? Please explain.

Sharmila said:   4 years ago
@Swathi.

Here total no Of nodes are 17. But you had mentioned 14 can you please explain me how?
(2)

Dinesh Kumar Shahi said:   4 years ago
Good, thanks all for explaianing.

Nasira farid said:   2 years ago
How to find the node numbers? Please explain.
(1)

Abin said:   6 months ago
It's very helpful. Thanks all for explaining the answer.


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