# Often asked: How Many Ways Can You Hang 5 Paintings Ona Wall?

## How many ways can you arrange 5 pictures on a wall?

5! (7−5)! So there are a total 21 ways of selecting 5 pictures.

## How many ways can 3 paintings be lined up on a wall?

To find the number of ways to select 3 of the 4 paintings, disregarding the order of the paintings, divide the number of permutations by the number of ways to order 3 paintings. There are 3! =3⋅2⋅1=6. = 3 ⋅ 2 ⋅ 1 = 6 ways to order 3 paintings.

## How many ways can 5 Arrange?

Note that your choice of 5 objects can take any order whatsoever, because your choice each time can be any of the remaining objects. So we say that there are 5 factorial = 5! = 5x4x3x2x1 = 120 ways to arrange five objects.

## How many ways can 4 things be arranged?

(Another example: 4 things can be placed in 4! = 4 × 3 × 2 × 1 = 24 different ways, try it for yourself!)

## How many ways can six bicycles be parked in a row?

6 bicycles can be parked in a row in 6! = 720 ways.

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## What is nCr formula?

How Do you Use NCR Formula in Probability? Combinations are a way to calculate the total number of outcomes of an event when the order of the outcomes does not matter. To calculate combinations we use the nCr formula: nCr = n! / r! * (n – r)!, where n = number of items, and r = number of items being chosen at a time.

## How many ways can the letters math be arranged?

There are 24 different ways to arrage the letters in the word math.

## How many ways can you arrange 10 things?

There are 3,628,800 ways to arrange those letters. See explanation for details.

## How many ways can 3 things be arranged?

Therefore, the number of ways in which the 3 letters can be arranged, taken all a time, is 3! = 3*2*1 = 6 ways.

## How many ways can you arrange 6 things?

So the six letters can be a combination of 6×5×4×3×2×1 letters or 720 arrangements.

## How many possible combinations are there for a 4 digit lock?

There are 10,000 possible combinations that the digits 0-9 can be arranged into to form a four-digit code.

## What is nPr formula?

FAQs on nPr Formula The nPr formula is used to find the number of ways in which r different things can be selected and arranged out of n different things. This is also known as the permutations formula. The nPr formula is, P(n, r) = n! / (n−r)!.