In the addition below, all digits have been replaced by letters. Equal letters represent equal digits and different letters represent different digits.
ABCABA
BBDCAA
ABEABB
ABDBAA
------- +
AAFGBDH
What does the complete addition look like in digits?

Write the next letter in this sequence.
O, T, T, F, F, S, S, E, __
**Hint: It is a Number Series Puzzle

What's the best place to go shopping in the ocean?

Can you arrange four 9's and use at most 2 math symbols, to make the total 100?

What is full of holes but still holds water?

What has six faces, but does not wear makeup, has twenty-one eyes, but cannot see?

What am I?

Alpha is Beta's sister.

Gamma is a Beta mother.

Delta is Gamma's father.

Tango is Delta's mother.

Then,

How is Alpha related to Delta?

If you remove one from eleven, it becomes ten. If you remove one from nine, it becomes ten.

How is this possible?

There once were seven dwarfs who were all brothers. They were all born two years apart. The youngest dwarf is seven years old. How old is his oldest brother?