If $n$ books can be arranged in a linear shelf in $5040$ different ways then the value of $n$ is

7

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8

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6

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9

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Solution

The correct option is A $7$
If $n$ books are to be arranged the no. of ways is $= n!$ .
$\Rightarrow n! = 5040$
$\Rightarrow n = 7$

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If n books can be arranged in a linear shelf in 5040 different ways then the value of n is

The correct option is A 7If n books are to be arranged the no. of ways is =n!.⇒n!=5040⇒n=7

If $n$ books can be arranged in a linear shelf in $5040$ different ways then the value of $n$ is

The correct option is A $7$
If $n$ books are to be arranged the no. of ways is $= n!$ .
$\Rightarrow n! = 5040$
$\Rightarrow n = 7$