Question

Find the difference between the largest and the smallest 5 digits number that can be formed using the digits 0, 8 and 9 without repetition of the digits 8 and 9 ?

Answer 1

Answer:

Using digits 0, 8 and 9 without repetition of the digits 8 and 9,

Largest 5-digit number = 98000

Smallest 5-digit number = 80009

Difference = 98000 - 80009 = 17991