Q27.A logo is to be designed with five horizontal stripes using some or all of the colours Black, Blue, Red, and Green. In how many ways can that be done such that no two adjacent stripes have same colour?
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Q27
6 Aug 2023
Q27.A logo is to be designed with five horizontal stripes using some or all of the colours Black, Blue, Red, and Green. In how many ways can that be done such that no two adjacent stripes have same colour?