Given: X is an integer between 1 and 10, inclusive.
1. X equals the sum of the statement numbers of the false statements in this
list.
2. X is less than the number of false statements in this list, and statement 10
is true.
3. There are exactly three true statements in this list, or statement 1 is
false, but not both.
4. The previous three statements are all false, or statement 9 is true, or
both.
5. Either X is odd, or statement 7 is true, but not both.
6. Exactly two of the odd-numbered statements are false.
7. X is the number of a true statement.
8. The even-numbered statements are either all true or all false.
9. X equals three times the statement number of the first true statement in
this list, or statement 4 is false, or both.
10. X is even, or statement 6 is true, or both.
What is X?
And while you're at it, which statements are true or false?
by Kitty Grundmand