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JEE Advanced Mathematics question

MathematicsPermutations and CombinationsJEE Advanced

A flag is to be coloured in four stripes by using 6 different colours, no two consecutive stripes being of the same colour. This can be done in

Answer: (B)

Solution

First stripe: 6 choices. Each next stripe: any colour except that of the previous stripe, 5

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Question ID VK-110005