4 if you include 70. They are 28, 42, 56, and 70. Every other multiple of seven is even, so once you find the first one, jsut add 14 until you are out of the range.
10
You need at least two numbers to find a common multiple. Multiples of 21 in that range include 21, 42, 63 and 84
21 and 28 are the two multiples.
There are 2 multiples that fall in between 14 and 25. 16 and 24.
There are 10 multiples of 6 in that range.
9
What are the odd multiples of 3 between 10 and 40? 15, 21, 27, 33, 39. What multiples of 10 is 34 between?
Multiples? There are an infinite amount. Factors on the other hand, there are: 1, 3, 7 and 21.
There are infinitely many multiples of 21 and it is impossible to list them all other than as 21*n where n is an integer.
there are 21 multiples.
14 and 21
They are 21 and 28