Question

The number of different signals which can be given. From 6 flags of different colours taking one or

more at a time is​

Answer 1

Answer:

1956 answer

Step-by-step explanation:

with solution

Answer 2

Answer:

The number of different signals that can be generated = P(6, 1) + P(6, 2) + P(6, 3) + P(6, 4) + P(6, 5) + P(6, 6)

= 6!/5! + 6!/4! + 6!/3! + 6!/2! + 6!/1! + 6!/0!

= 6 + 30 + 120 + 360 + 720 + 720

= 1956