-2
1 - 3 - 7 - 9 - so ..... 9 * 10 * 4 + 9 * 4 * 6 + 4 * 6 *6 =360+216+104 = 680
There are 288 such numbers.
90
Three of them.
28
There are 21.
There are 33.
90
the answer would be 900
There are 10 one digit positive integers (0 - 9) and 9 one digit negative integers (-9 to -1) making 19 in all.
There are twelve instances where the integers from 1 to 200 contain the digit 1 at least twice:-11,101,110,111,121,131,141,151,161,171,181,191.
4
the range of three-digit integers is from 100 to 999. Therefore, there are 300 positive three-digit integers that are divisible by neither 2 nor 3.1 day ago
10 of them.
22 of them.
54
Three of them.
900 numbers from 100 to 999
-21