Question

How many numbers between 4000and 5000 can be formed using the digits 2 to 8,when any digit can occur any number of times

Answer 1

Answer:

The Numbers between 5000 and 7000 can be formed using the digits 3 to 8, when any digit can occur any number of times is 432.

Step-by-step explanation:

Because the no. Lies between 4000 and 5000. It must have 4 digits and first digit must be 4.

It should be like 4 _ _ _.

In this first digit is fixed , next three places have to be filled.

Now, all three places can be occupies by any of the 6 digits given (2,3,4,5,6,7).

So numbers between 4000 and 5000 using thes digits are 1×6×6×6=216