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How many three digit numbers are there that are multiples of 30?
29 of them.
How many two digit numbers are either multiples of 3 or multiples of 5?
There are 30 two-digit multiples of 3 plus 18 two-digit multiples of 5 minus 6 two-digit multiples of both. Answer: 42
What numbers between 30 and 100 go into multiples of 6 and numbers with a digit 2?
42 72
What numbers have 2 3 and 5 as factors?
Any multiples of 30 have these three factors. Multiples of 30.
How many positive 3-digit numbers are multiples of 30?
-27
How many two-digit counting numbers are either multiples of 2 or multiples of 3?
45 multiples of 2 plus 30 multiples of 3 minus 15 multiples of 6 equals 60 numbers
How many 5 digit combos in 30 numbers?
The answer will depend on how many digits there are in each of the 30 numbers. If the 30 numbers are all 6-digit numbers then the answer is NONE! If the 30 numbers are the first 30 counting numbers then there are 126 combinations of five 1-digit numbers, 1764 combinations of three 1-digit numbers and one 2-digit number, and 1710 combinations of one 1-digit number and two 2-digit numbers. That makes a total of 3600 5-digit combinations.
How many 2 digit numbers are divisible by 3?
Starting at 12 and ending at 99, there are 30 two-digit numbers divisible by three.
What are three numbers between 20 and 40 that are multiples of 6?
They are 24, 30 and 36
What are last 3 multiples of 10?
The first three multiples of 10 are 10, 20 and 30. Since numbers don't stop, there are no last three.
What are common 3 digit multiples of 5 and 6?
Multiples of 30 from 120 to 990
What are the 2 digit common multiples of 2 3 and 5?
lcm(2, 3, 5) = 30 → 2 digit common multiples are 30, 60, 90.
