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  • Question
  • Find the number of triangles in the given figure.

    Find the number of triangles in the given figure. 27 25 23 21 The figure may be labelled as shown. T


  • Options
  • A. 27
  • B. 25
  • C. 23
  • D. 21

  • Correct Answer
  • 27 

    Explanation
    The figure may be labelled as shown.

    Find the number of triangles in the given figure. 27 25 23 21 The figure may be labelled as shown. T

    The simplest triangles are GLK, DLJ, DJM, HMN, QRE, IRA, IPA and FPO i.e. 8 in number.

    The triangles having two components each are BDO, CDQ, DLM, PRA, KFI, NEI, HJI, GJI, DKI and DNI i.e. 10 in number.

    The triangles having four components each are DIE, DFI, DOA, DQA andGHI i.e. 5 in number.

    The triangles having six components each are DCA and DBA i.e. 2 in number.

    DEF is the only triangle having eight components.

    ABC is the only triangle having twelve components.

    Thus, there are 8+10+ 5 + 2+1 + 1 = 27 triangles in the figure.


    More questions

    • 1. Find the missing figure of the series from the given responses:

    • Options
    • A. 1
    • B. 2
    • C. 3
    • D. 4
    • Discuss
    • 2. 
      Select a suitable figure from the answer figures that would replace the question mark (?) from question figure.

    • Options
    • A. 1
    • B. 2
    • C. 3
    • D. 4
    • Discuss
    • 3. 
      Two positions of a dice are shown below. When the heart shape is at the top, what will be at the bottom?

    • Options
    • A. 1
    • B. 2
    • C. 3
    • D. 4
    • Discuss
    • 4. Select the one which is different from the other three responses

    • Options
    • A. 1
    • B. 2
    • C. 3
    • D. 4
    • Discuss
    • 5. 

      When a mirror is placed on the line AB, then which right image of the given figure?


    • Options
    • A. 1
    • B. 2
    • C. 3
    • D. none
    • Discuss
    • 6. What will come in place of?:

    • Options
    • A. 1
    • B. 2
    • C. 3
    • D. 4
    • Discuss
    • 7. Choose the figure which is different from the rest.

         (1)     (2)     (3)     (4)     (5)


    • Options
    • A. 1
    • B. 2
    • C. 3
    • D. 4
    • E. 5
    • Discuss
    • 8. 
      Choose a figure which would most closely resemble the unfolded form of Figure (3).

    • Options
    • A. (a)
    • B. (b)
    • C. (c)
    • D. (d)
    • Discuss
    • 9. Choose the figure which is different from the rest.

         (1)     (2)     (3)     (4)     (5)


    • Options
    • A. 1
    • B. 2
    • C. 3
    • D. 4
    • E. 5
    • Discuss
    • 10. Find out the alternative figure which contains figure (X) as its part.

           (X)                (1)         (2)         (3)        (4)


    • Options
    • A. 1
    • B. 2
    • C. 3
    • D. 4
    • Discuss


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