The number of 4 digit numbers formed using the digits 0, 2, 4, 7, 8 is
Kkashyap:
Ans:500
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Hey there,
As 4-digit no have to be made 0 can't be the first digit
So,there are 4 ways to fill the first digit.
And there are 5 ways each to fill hundredth,tens and ones digit eachh.
Total no of ways =4×5×5×5=500.
Not sure it is right,but tried
Hope it helps .
As 4-digit no have to be made 0 can't be the first digit
So,there are 4 ways to fill the first digit.
And there are 5 ways each to fill hundredth,tens and ones digit eachh.
Total no of ways =4×5×5×5=500.
Not sure it is right,but tried
Hope it helps .
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