Apart from 2, all even numbers are composite. So the question is equivalent to all even numbers between 40 and 50. And these are ... ? 42, 44, 46 and 48.
51,52,54,55,56,57,58,60,62,63,64,65,66,68,69 are the composite numbers between 50 and 70.
The sum of the composite numbers between 1 and 50 is 936.
All even numbers other than 2 are composite, so the even composite numbers between 30 and 50 are 30, 32, 34, 36, 38, 40, 42, 44, 46, 48, and 50.
All even numbers are composite, because 2 is a factor of every even number.
All even numbers between 50 and 80 are composite.
All of the whole numbers between 50 and 75 are composite numbers, except 53, 59, 61, 67, 71, and 73.
48, 49 and 50 are all composite.
Apart from 2, all even numbers are composite. So the question is equivalent to all even numbers between 40 and 50. And these are ... ? 42, 44, 46 and 48.
51,52,54,55,56,57,58,60,62,63,64,65,66,68,69 are the composite numbers between 50 and 70.
The sum of the composite numbers between 1 and 50 is 936.
4,6,8,9,10,12,14,15,16,18,20,21,22,24,25,26,27,28,30,32,33,34,35,36,38,39,40,42,44,45,46,48, and 49
All even numbers other than 2 are composite, so the even composite numbers between 30 and 50 are 30, 32, 34, 36, 38, 40, 42, 44, 46, 48, and 50.
All even numbers are composite, because 2 is a factor of every even number.
The largest composite number between 1 and 50 is 50.
All of them except for 53, 59, 61 and 67 which are prime numbers
30,32,34,36,38,40,42,44,46,48, and 50.