How many signals can be made by hoisting 2 blue, 3 red and 5 yellow flags on a pole simultaneously?
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total number of ways of arranging the flags
is 10!
and total number of signals that can be made by hoisting all of them
10!/2!3!5! = 720 signals!
is 10!
and total number of signals that can be made by hoisting all of them
10!/2!3!5! = 720 signals!
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