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```
in how many ways the letters of the word 'Arrange' can be arranged so that 2A's are separated by exactly 2 letters

```
4 years ago

Shaswata Biswas
132 Points
```							If we see the case, you can shift the 2 A`s upto 4 places from the left. For each case, the other 4 letters can be arranged in their places in 4! Ways. And the 2 A`s can arrange in 2! Ways within themselves.So, for 4 such cases the total no. of arrangement is 4*4!2! =  192 ways.
```
4 years ago
Shaswata Biswas
132 Points
```							Sorry, my mistake. There are 5 letters remaining. Then the correct no. of permutations is 4*5! = 480. The case of 2! Is not applicable as both are same letters.
```
4 years ago
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• Test paper with Video Solution
• Mind Map
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• NCERT Solutions
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