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

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?

Can you find the missing number in the third row?
35 20 14
27 12 18
5 2 ?

You have an empty wine bottle with a cork that has been secured at the top in a normal way. There is a metal ring inside the bottle that is suspended by a string.

How can you make the metal ring drop to the bottom if you are not allowed to touch anything - not the bottle, not the cork, not the thread and not the ring?

Four men were in a boat on the lake. The boat turns over, and all four men sink to the bottom of the lake, yet not a single man got wet! Why?

Can you find the least possible number such that

If the number is divided by 3, it gives the remainder of 1;
If the number is divided by 4, it gives the remainder of 2;
If the number is divided by 5, it gives the remainder of 3;
If the number is divided by 6, it gives the remainder of 4.

There is a square of a particular number which when doubled, becomes 7 more than its quarter.

Can you find the number?

Many have heard it, but nobody has ever seen it, and it will not speak back until spoken to. What is it?

Find the next number in the series.
1 10 24 43 67 ?

Identify Me

Hint1: I am a god
Hint 2: I am a planet
Hint 3: measurer of heat