There are ten letters in George Washington's last name.
ten ( Washington was his name.)
She doesn't have a last name.
qrstuvwxyz
The state that has successfully voted for the president in the last ten elections is Ohio.
Ambassador.
Trivandrum
Washington and California
Tenten doesn't have one.
Ten Boom
five sides, 10 letters= pentagonal
MISTAKEN is the answer for this puzzle: * letters 1234 are MIST (climate condition) * letters 678 are KEN (a name) * letters 478 are TEN (a number) * letters 1457 are MTAE (can be rearranged to spell MATE, a challenge in chess games.)