Can you find out how many prime numbers that are less than 75 will leave an odd reminder when divided by 5?	Pick one.
A) 15  B) 10  C) 11  D) 13  E) 18
11   We are looking at the numbers in the form of 5k +1 or 5k + 3   i.e The number ends in 1 or 3   If we jot down all such numbers, there are 16 in total:   1, 3, 11, 13, 21, 23, 31, 33, 41, 43, 51, 53, 61, 63, 71 and 73   Now, let us remove the ones that are not prime and we have the answer as:   3, 11, 13, 23, 31, 41, 43, 53, 61, 71 and 73
<result>C</result>
Can you find out how many prime numbers that are less than 75 will leave an odd reminder when divided by 5?