How many three-digits numbers greater than 600 can be formed by using the digits 4, 5, 6, 7, 8?
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As there are numbers 4,5,6,7,8
We have to form three digit numbers also greater than 600 so
There are three places to fill
3*5*4 bcz nothing is mentioned about the repetitions so it is with repitition
The ans is 60
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