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  • Question
  • What is the minimum number of different colours required to paint he given figure such that no two adjacent regions have the same colour?

    What is the minimum number of different colours required to paint he given figure such that no two a


  • Options
  • A. 3
  • B. 4
  • C. 5
  • D. 6

  • Correct Answer


  • Explanation
    The figure may be labelled as shown.

    What is the minimum number of different colours required to paint he given figure such that no two a

    The regions A, C, E and G can have the same colour say colour 1.

    The regions B, D, F and H can have the same colour (but different from colour 1) say colour 2.

    The region 1 lies adjacent to each one of the regions A, B, C, D, E, F, G and H and therefore it should have a different colour say colour 3.

    The regions J, L and N can have the same colour (different from colour 3) say colour 1.

    The regions K, M and O can have the same colour (different fromthe colours 1 and 3). Thus, these regions will have colour 2.

    The region P cannot have any of the colours 1 and 2 as it lies adjacent to each one of the regions J, K, L, M, N and O and so it will have colour 3.

    The region Q can have any of the colours 1 or 2.

    Minimum number of colours required is 3.


    More questions

    • 1. 
      A piece of paper is folded and a cut is made a shown below. From the given responses indicate how it will appear when opened.

    • Options
    • A. 1
    • B. 2
    • C. 3
    • D. 4
    • Discuss
    • 2. 
      Form the correct pattern with the segments given.

    • Options
    • A. 1
    • B. 2
    • C. 3
    • D. 4
    • Discuss
    • 3. 
      Find out from the four alternatives as how the pattern would appear when the transparent sheet is folded at the dotted line.

    • Options
    • A. (a)
    • B. (b)
    • C. (c)
    • D. (d)
    • Discuss
    • 4. 
      Find the odd one out.

    • Options
    • A. 4
    • B. 1
    • C. 2
    • D. 3
    • Discuss
    • 5. Choose the alternative which is closely resembles the water-image of the given combination.

    • Options
    • A. 1
    • B. 2
    • C. 3
    • D. 4
    • Discuss
    • 6. 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
    • 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. 
      Find the question mark ? figure from answer figure.

    • Options
    • A. 1
    • B. 2
    • C. 3
    • D. 4
    • Discuss
    • 9. 
      The figure above is a drawing of pile of Blocks. When taken apart, how many blocks would be there?

    • Options
    • A. 15
    • B. 14
    • C. 10
    • D. 5
    • Discuss
    • 10. A dice is numbered from 1 to 6 in different ways.

      If 1 is adjacent to 2, 4 and 6, then which of the following statements is necessarily true?


    • Options
    • A. 2 is opposite to 6
    • B. 1 is adjacent to 3
    • C. 3 is adjacent to 5
    • D. 3 is opposite to 5
    • Discuss


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