how many there digit numbers can be formed from digit 0,1,3,5,6 if repetition is allowed
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4*5*5= 100 digits
0 cannot be placed on hundredth place because it will not be a 3 digit number then so there are 4 possibilities for that place
tens and ones place has 5 possibilities i.e 0,1,3,5,6
hope this helps☺️
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