Maths
General
Easy
Question
The number of different signals that can be made by 5 flags from 8 flags of different colours is :
 6720



Hint:
The correct answer is: 6720
Each of the different arrangements which can be made by taking some or all of a number of things at a time is called permutation.
Thus we can say that the permutation concerns both the selection and the arrangement of the selected things in all possible ways.
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