How many integers from 101 to 1000, inclusive, remains the value unchanged when the digits were reversed? Answers
A) 50  B) 60  C) 70  D) 80  E) 90
question is asking for palindrome   first digit possibilities - 1 through 9 = 9   second digit possibilities - 0 though 9 = 10   third digit is same as first digit   =&gt;total possible number meeting the given conditions = 9 *10= 
<gadget id="calculator">9 *10</gadget>
<output>90</output>
90   Answer is 90.
<result>E</result>
How many integers from 101 to 1000, inclusive, remains the value unchanged when the digits were reversed?