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How many three digit counting numbers are multiples of 2 but not of 55?
There are 898 three-digit even numbers. Nine of them are multiples of 55. That leaves 889 * * * * * There are 450 three-digit even numbers and 17 of them are multiples of 55. So that leaves 433.
How many three digit numbers are multiples of 21?
42 of them.
How many three-digit numbers are multiples of 2?
450
How many three-digit counting numbers are not multiples of 5?
There are 720 of them.
How many three digit counting numbers are not multiples of 2?
There are 450 of them.
How many three digit counting numbers are not multiples of 10?
There are 9*10*9 = 810 such numbers.
How many three-digit counting numbers are not multiples of 2?
The 3-digit counting numbers are 100 through 999 = 900 numbers.Half them are multiples of 2 (even numbers).The other half are not . . . 450 of them.
How many two digit counting numbers are either multiples of 2 or multiples of 3?
60 numbers
How many two digit numbers are not multiples of 2?
All of the odd numbers between 11 and 99 inclusive are two digit numbers that are not multiples of 2. There are 45 of them.
How many 3-digit numbers are multiples of 18?
50 of them.
How many four-digit numbers are multiples of 15?
67 of them.
How many three digit numbers are multiples of 20?
To find how many three-digit numbers are multiples of 20, we need to determine the range of three-digit numbers divisible by 20. The smallest three-digit number divisible by 20 is 100, and the largest is 980. To find the count of numbers in this range, we can divide the largest number by 20 and subtract the result of dividing the smallest number by 20, then add 1 to account for the inclusive range. Therefore, the number of three-digit multiples of 20 is (980/20) - (100/20) + 1 = 49 - 5 + 1 = 45.
