Question

The smallest 7 digit number having 4 different digit

Answer 1

Answer:

1000023

Step-by-step explanation:

Answer 2

Answer:

__________________________

Smallest number other than 0 is 1,

so we shall take 1.

Thereby,

we shall place 0, (can be repeated four times) then 2 and then 3 will complete 7 digits.

Thus the smallest 7 digit number with four digits will be 1000023.