The largest 4 digit number is 9999.
Largest 4 digit number with repetition is 9999 Largest 3 digit number without repetition is 987 Difference is 9999 - 987 = 9012.
9000
The largest 4 digit number with repetition is 9999. The smallest 3 digit number without repetition is 102 9999 - 102 = 9897
9999 - 999 = 9000
9876-987=8889
9876-102=9774The largest 4 digit number, without repetition, is 9876.The smallest 3 digit number is 102.Their difference is 9774.
Largest four digit number with repetition = 9999 = x (let) Smallest Three digit number with repetition = 111 = y (let) Answer = x-y = 9999-111 = 9888 -----------------(Ans.)
8889
Assuming you meant the largest 3 digit number without repetition:Largest 4 digit without repetition = 9876Largest 3 digit = 987⇒ difference = 9876 - 987 = 8889
9876 - 999 = 8877
1
9774