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

    Find the number of triangles in the given figure. 16 18 14 15 The figure may be labelled as shown. T


  • Options
  • A. 16
  • B. 18
  • C. 14
  • D. 15

  • Correct Answer
  • 18 

    Explanation
    The figure may be labelled as shown.

    Find the number of triangles in the given figure. 16 18 14 15 The figure may be labelled as shown. T

    The simplest triangles are BFG, CGH, EFM, FMG, GMN, GHN, HNI, LMK, MNK and KNJ i.e. 10 in number.

    The triangles composed of three components each are FAK and HKD i.e. 2 in number.

    The triangles composed of four components each are BEN, CMI, GLJ and FHK i.e. 4 in number.

    The triangles composed of eight components each are BAJ and OLD i.e. 2 in number.

    Thus, there are 10 + 2 + 4 + 2 = 18 triangles in the given figure.


    More questions

    • 1. Choose the alternative which is closely resembles the water-image of the given combination.

    • Options
    • A. 1
    • B. 2
    • C. 3
    • D. 4
    • Discuss
    • 2. 
      Find the question mark ? figure from answer figure.

    • Options
    • A. 1
    • B. 2
    • C. 3
    • D. 4
    • Discuss
    • 3. Find the question mark ? figure from answer figure:

    • Options
    • A. 1
    • B. 2
    • C. 3
    • D. 4
    • Discuss
    • 4. 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
    • 5. 
      A piece of paper is folded and cut as shown below in the question figures. From the given answer figures, indicate how it will appear when opened?

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


    • Options
    • A. 1
    • B. 2
    • C. 3
    • D. 4
    • Discuss
    • 7. 
      If a mirror is placed on the line MN, then which of the answer figures is the right image of the given figure?

    • Options
    • A. 1
    • B. 2
    • C. 3
    • D. 4
    • Discuss
    • 8. How many dots lie opposite to the face having three dots, when the given figure is folded to form a cube?


    • Options
    • A. 2
    • B. 4
    • C. 5
    • D. 6
    • Discuss
    • 9. 
      Choose a figure which would most closely resemble the unfolded form of Figure (3).

    • Options
    • A. (a)
    • B. (b)
    • C. (c)
    • D. (d)
    • Discuss
    • 10. Find out how will the key figure (X) look like after rotation.


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


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