English and Logical Reasoning Prep Guide
- Exam
- English and Logical Reasoning Prep Guide
- Subject
- Logical Reasoning
- Chapter
- Counting of Figures
English and Logical Reasoning Prep Guide · Logical Reasoning · Counting of Figures
& Find the number of triangles in the given figure.
& Find the number of triangles in the given figure.
Options
- A8
- B10
- C11
- D12
Correct answer
B. 10
Step-by-step solution
The figure may be labelled as shown.
Hence, option B is correct.
The simplest triangles are ABG, BCG, CGE, CDE, AGE and AEF i.e. 6 in number.&
The triangles composed of three components each are ABE, ABC, BCE and ACE i.e. 4 in number.
∴& There are 6 + 4 = 10 triangles in the figure.&
Hence, option B is correct.