2. Questions Bank
  3. 12th Class
  4. Mental Ability
  5. Non-Verbal Series

12th Class Mental Ability Non-Verbal Series Question Bank Question - Diagrammatic Puzzles

  • question_answer
    How many triangles are there in this figure?

    A) 16

    B) 17            

    C) 18

    D) 19

    Correct Answer: A

    Solution :

    Explanation: The simplest triangles are ADE, DEI, AEF, ABF, EIJ, BFG, BCG, FJK, FGK, CGH and GHK i.e., -12 triangles Other triangles are AIK and ACK i.e., - 2 triangles. So, the total number of triangles is \[12+2+2=16\]           


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