Two.
There are 25 such numbers.
22 and 24
There are 12 even numbers between 2 and 24 inclusive.The sum is 154.
22, 24
Ten.
Two.
There are 25 such numbers.
2, 4, 6, ..., 50; 25 numbers.
26
25 of them.
22 and 24
There are 12 even numbers between 2 and 24 inclusive.The sum is 154.
22, 24
There are 25 of them.
There are 3 composite numbers between 20 and 25. They are 21, 22, and 24.
There are 25 prime numbers between 1 and 100.