from 3 red 2 yellow and 2 green signal flags, how many different signals are possible if we want to - Maths - Permutations and Combinations

Question

from 3 red 2 yellow and 2 green signal flags, how many different
signals are possible if we want to make signals by arranging all of
them vertically on a flag staff?

Rishabh Mittal · Accepted Answer

Total number of flags=7Number of signals can be formed=7!3! 2! 2!=7×6×5×4×3!3!×2×2=7×6×5=210   ANS

from 3 red 2 yellow and 2 green signal flags, how many different signals are possible if we want to make signals by arranging all of them vertically on a flag staff?