how many 7 digits numbers are there having digit 3 three times and digit 0 four times​

1 thought on “how many 7 digits numbers are there having digit 3 three times and digit 0 four times​”

1. Step-by-step explanation:

   How many 7 digit numbers are there having the digit 3 three times and the digit 0 four times. Ans :15.

   Reply