Remove two matchsticks to make the below equation correct.

I have a hole in my back and legs I lack.
I live where I can’t breathe and I eat without teeth.
What am I?

Who can jump higher than a Mountain?

I have a clock(12-hour format) and both the needles of the clock overlap at 12:00.
After how much time, they will overlap again?

What has hands, but can’t clap?

Why is 6 afraid of 7?

I cannot talk, but I always reply when spoken to. What am I?

Count the number of balls in picture below:

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?

What does this Rebus Picture means ?