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 ways can 6 beads be arranged in a string?
6P6 = 720 or 6!
How many necklaces are in 7 beads?
It would be 7! = 5040 diffrent necklaces.
How many necklaces can be formed with 8 colored beads?
2520 Ways 8 beads of different colours be strung as a necklace if can be wear from both side.
How many ways can 10 different beads be arranged to form 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 ways can you make a bracelet with 5 different beads?
Thus for n=5, there are possible 4!/2=12 different bracelets.
How many ways can 5 keys be placed on a key ring?
There are 24 ways to arrange 5 keys in a keychain.
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.
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!