It is 0 since the number of odd numbers less than 180 is infinite and a finite number "divided by infinity" is zero. However, if you limit yourself to positive integers, then the ratio is 49/90, which cannot be simplified.
There are five of them, including the number 1.
1and itself, this number is a prime number
Ten of them.
16
1+ 1and 1/2
There are five of them, including the number 1.
1.999 and 1.9999
1and itself, this number is a prime number
write an algo to find the sum of even number from 1to n
Ten of them.
There are 57 such numbers.
Because the prime numbers between 1and 50 only have exactly 2 unique factors.
16
1+ 1and 1/2
The even numbers between 1 and 13 are 2, 4, 6, 8, 10, and 12.
What number between 1and 10 can go into 1001
The prime numbers: 2, 3, 5, 7, 11, 13, 17 and 19.