There are ten even numbers between 50 and 70. These are 52, 54, 56, 58, 60, 62, 64, 66, 68, and 70. Since we are considering numbers strictly between 50 and 70, we count only 52 to 68, which gives us a total of nine even numbers.
There are 15 even numbers between 20 and 50. These even numbers are 22, 24, 26, 28, 30, 32, 34, 36, 38, 40, 42, 44, 46, and 48. To find this, you can list the even numbers starting from 22 up to 48 or use the formula for counting even numbers in a range.
You can use int i; for (i = 10; i <= 50; i += 2) {//print i} as a program to print even numbers between 10 and 50.
15 prime numbers are between 0 and 50
There aren't any. 2 is the only even prime number, so no other even numbers can be prime. There can be no even numbers between 30 and 50 that are prime.
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.
There are exactly 50 even numbers if you include 100. There are exactly 50 odd numbers if you include 1.
50
2, 4, 6, ..., 50; 25 numbers.
All even numbers between 50 and 80 are composite.
30,32,34,36,38,40,42,44,46,48, and 50.
There are 50.
You can use int i; for (i = 10; i <= 50; i += 2) {//print i} as a program to print even numbers between 10 and 50.
There are infinitely many numbers between 34 and 50 and so infinitely many sets of 4 numbers.
15 prime numbers are between 0 and 50
There aren't any. 2 is the only even prime number, so no other even numbers can be prime. There can be no even numbers between 30 and 50 that are prime.
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.
50.