In every 100 there are 10 numbers that have a units digit of 2 and 10 with 7, making 2 with 2 or 7.
Between 0 and 1000 there are 10 hundreds, making 10 × 20 = 200 such numbers.
BUT 2 and 7 are less than 10, so there are two less such numbers, making 200 - 2 = 198 such numbers.
There are 198.
1-301 times
There are 3168 such numbers.
All the numbers between 999 and 3000 are four-digit numbers. You need to subtract 3000 - 999 - 1. The extra -1 is to account for the fact that the numbers 999 and 3000, in this case, are not included.
What is the units digit of the least whole number greater than 1000 whose digits are all different?
Assuming the question is about reversed, the answer is 90.
90 of them.
There are 900 three-digit whole numbers between 1 and 1000
By including the number 1000, the digit 1.
Zero
555
1 to 1000. Pilandromic 108
1-301 times
Specify whether you are including the numbers between 0000 and 1000.
10999
There are 3168 such numbers.
91.
All the numbers between 999 and 3000 are four-digit numbers. You need to subtract 3000 - 999 - 1. The extra -1 is to account for the fact that the numbers 999 and 3000, in this case, are not included.