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`        How many five digits numbers are there out of which all digits are odd?`
2 years ago

Arun
23523 Points
```							Dear studentAs we odd digit are = 1, 3, 5, 7, 9Now we have to use them to make a  5 digits number. Case 1- repetitions allowed5 *5 *5 *5 *5 = 55 Case 2- repetitions not allowed5* 4* 3* 2* 1 = 5! = 120 RegardsArun(askIITians forum expert)
```
2 years ago
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• Mind Map
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• NCERT Solutions
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