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.
Options:
A) 22
B) 34
C) 73
D) 26
E) 11
Single digit numbers = 4   Double digit numbers = 4 x 3 = 12   Three digit numbers = 3 x 3 x 2 x 1 = 18   Total = 34   Answer:34
<result>B</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.