What is the minimum number of colour pencils required to fill the spaces in the below figure with no two adjacent spaces have the same colour?
The given figure can be labelled as shown :
The spaces P, Q and R have to be shaded by three different colours definitely (since each of these three spaces lies adjacent to the other two).
Now, in order that no two adjacent spaces be shaded by the same colour, the spaces T, U and S must be shaded with the colours of the spaces P, Q and R respectively.
Also the spaces X, V and W must be shaded with the colours of the spaces S, T and U respectively i.e. with the colours of the spaces R, P and Q respectively. Thus, minimum three colour pencils are required.
According to above given question figures , we can say that
In each subsequent figure similar design is added.
Hence , figure ( 4 ) will come on the place of ? from answer figures .
Answer A
In the second element the main design has one side more than the main design of the first element.
The second figure is the water image of the first figure.
Find the number of triangles in the figure
We follow the given pattern :-
From the two views of the dice it is clear that dice has been inverted as three dots are on the same side.
Therefore, when two is at the bottom, four will be on the top.
NA
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