Today is Sunday. What day is it in a hundred days?

Today is Sunday. What day is it in a hundred days?

The answer is Tuesday
The formula is: 100 / 7 = 14 more than 2
Sunday plus two days is Tuesday
The reason is: a week has seven days, so seven days is a cycle. Today's Sunday, after seven days or Sunday, after seven days, after 14 days or Sunday. After seven days, after 21 days is still Sunday. So after 98 days or Sunday, plus two days is Tuesday
That's all