Asked in
Math and Arithmetic
Statistics
Prime Numbers

How many odd numbers between 10-1000 start and end with the same digits?

Answer

User Avatar
Wiki User
June 22, 2008 8:33AM

11,33,55,77,99 = 5 101, 111, 121, 131, 141, 151, 161, 171, 181, 191 = 10 303.....393 = 10 505..... = 10 707..... = 10 909..... = 10