How many ways can you arrange 10 different colored beads on a necklace?
Answer: This is called a cyclic permutation. The formula for this is simply (n-1)!/2, since all the beads are identical. Hence, the answer is 9!/2 = 362880/2 = 181440.
How many necklace of 12 beads each can be made from 18 beads of different Colours?
Correct Option: C
First, we can select 12 beads out of 18 beads in 18C12 ways. Now, these 12 beads can make a necklace in 11! / 2 ways as clockwise and anti-clockwise arrangements are same. So, required number of ways = [ 18C12 . 11! ] / 2!
How many necklaces can you make with 8 beads of colors?
2520 Ways 8 beads of different colours be strung as a necklace if can be wear from both side.
What are the number of necklaces made from 7 beads of different color?
It would be 7! = 5040 diffrent necklaces.
How many ways can 12 beads be arranged on a bracelet?
12 different beads can be arranged among themselves in a circular order in (12-1)!= 11! Ways.
How many ways 5 different beads can be arranged to form a necklace?
So, we have to divide 24 by 2. Therefore the total number of different ways of arranging 5 beads is 242=12 .
How many necklaces can you make with 6 beads of 3 colors?
The first step is easy: the number of ways to colour 6 beads, where each bead can be red, green or blue, is 36 = 729. Next we put the beads on a necklace, and account for duplicate patterns.
How many bracelets can be made by stringing 9 different colored beads together?
by stringing together 9 different coloured beads one can make 9! (9 factorial ) bracelet. 9! = 9×8×7×6×5×4×3×2×1 = 362880 ways.
How many necklaces can be formed with 6 white and 5 red beads if each necklace is unique how many can be formed?
5! but correct answer is 21.