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## How many different necklaces can you make with 10 beads?

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 beads do you need for a necklace?

18-inch princess necklace made with 4mm beads: 18 x 25.4 ÷ 4 = 114.3. 32-inch opera necklace made with 10mm beads: 32 x 25.4 ÷ 10 = **81.2**.

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How Many Beads Will You Need To Make a Necklace?

Type | Length |
---|---|

Collar | 14 to 17 inches |

Choker | 16 to 18 inches |

Princess | 17 to 19 inches |

Matinee | 20 to 25 inches |

## How many necklace of 12 beads each can be made from 18 beads?

Correct Option: C

First, we can select 12 beads out of 18 beads in ^{18}C_{12} 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 = [ ^{18}C_{12} .

## How many ways can 12 beads be arranged on a bracket?

12 different beads can be arranged among themselves in a circular order in **(12-1)!=** **11!** **Ways**. Now, in the case of necklace, there is not distinction between clockwise and anti-clockwise arrangements.

## How many necklaces can be formed with 7 beads?

It would be 7! = **5040 diffrent necklaces**.

## 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 inches should a beaded bracelet be?

For women’s charm and multi-link bracelets, the standard length is **6 ½ to 7 ½ inches**. A bracelet of 7 inches is the most common in women’s jewelry. Women’s bangle and cuff bracelets usually are 7 inches in length with a 2 ½ inch diameter.

## How many necklaces are in 8 beads?

**2520 Ways** 8 beads of different colours be strung as a necklace if can be wear from both side.

## How many necklace of 10 beads each can be made from 20 beads of different colors?

This is easy: count all permutations of 10 beads, 10!, then divide by 20 because we counted each permutation 10 times due to rotation, and counted each of these twice because you can flip the necklace over. Thus the answer is 10!/20 = **181440**.