With pointed fangs I sit and wait; with piercing force I crunch out fate; grabbing victims, proclaiming might; physically joining with a single bite. What am I?

Can you decipher the following common phrase?

T M C
A U O
H S M
W T E

Can you name any English verb that becomes its past tense by simply rearranging the alphabets ?

Prove that twice of ten is the same as twice of eleven.

I have a mouth but I don't eat.
I have a bank but have no money.
I have a bed but i dont sleep.
I wave but have no hands.

Who Am I ?

You see a mathematical expression in the picture. Can you think of a movie that this expression refers to?

Can you place six X (crosses) in below board without making three in a row in any way ?

Once upon a time, there was a castle on a square island. The entire island was surrounded by a 14m wide trench. The Romans had wanted to invade the castle and had brought a few wooden planks along with them to facilitate themselves in crossing the moat. The planks were however found to be only 13m long.

The Romans still managed to cross the trench. How did they do it?

The first two letters signify a male, the first three letters signify a female, the first four letters signify a great, while the entire world signifies a great woman. What is the word?

You knock a Table over in the library, and suddenly 20 eyes are looking at you.