What would be the answer for every third bead is red and 141 beads How many beads are red?

There are 47 red beads. Since each group is a set of 3 beads (1 red and 2 other color), there will be 47 groups (since 141-47-47-47=0). Therefore, 47 of them are red and the other two groups of 47 are other colors.