Please enjoy today's math-related mentalfloss.com **Brain Game** *Tuesday Test Time *challenge:

When multiplied by 9, what four-digit number

changes to the same four digits in reverse order?

**QUESTION:**

**When multiplied by 9, what four-digit number uses the same four digits in reverse order?**

**ANSWER:**

*1089, since 1089 x 9 = 9801. *

Thanks for playing! Tomorrow, it's *Wordplay Wednesday.*