【Question 6】
It is known that a certain month has 31 days, and the number of Mondays and Fridays are the same. What day of the week is the 10th of this month?
【Analysis and Solution】
$31 \div 7=4 \cdots \cdots \cdot 3$;
In the days of the week: Sunday, Monday, Tuesday, Wednesday, Thursday, Friday, and Saturday, only 3 days appear 5 times, and Monday and Friday appear the same number of times;
So Monday and Friday appear 4 times;
Therefore, the days that appear 5 times are Tuesday, Wednesday, and Thursday;
So the 1st of the month is a Tuesday;
$$
10 \div 7=1 \cdots \cdots 3 \text {; }
$$

So the 10th of the month is a Thursday.
\begin{tabular}{ccccccc} 
Sunday & Monday & Tuesday & Wednesday & Thursday & Friday & Saturday \\
& & 1 & 2 & 3 & 4 & 5 \\
6 & 7 & 8 & 9 & 10 & 11 & 12 \\
13 & 14 & 15 & 16 & 17 & 18 & 19 \\
20 & 21 & 22 & 23 & 24 & 25 & 26 \\
27 & 28 & 29 & 30 & 31 & &
\end{tabular}