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Byju's Answer
Standard XII
Mathematics
Factorial
Find the tota...
Question
Find the total number of signals that can be made by using
5
different coloured flags when any number of them may be hoisted at a time.
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Solution
Total number of the signal that can be made
=
5
P
1
+
5
P
2
+
5
P
3
+
5
P
4
+
5
P
5
=
325
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