How many positive integers less than 500 can be formed using the numbers 1,2,3,and 5 for digits, each digit being used only once. Choose the correct choice from the following choices:
A) 34 B) 677 C) 197 D) 177 E) 191
Single digit numbers = 4   Double digit numbers = 4 x 3 = 12   Three digit numbers = 3 x 3 x 2 x 1 = 18   Total = 34   34nswer:34
<result>A</result>
How many positive integers less than 500 can be formed using the numbers 1,2,3,and 5 for digits, each digit being used only once.