If it took eight men ten hours to build a wall, how long would it take four men to build it?

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?

Look at the picture and find out which square is not linked with any of the other squares.

Who is that with a neck and no head, two arms and no hands? What is it?

Why are televisions attracted to people?

What will be the best approach to finding all the prime numbers less than 75 that leave an odd reminder when we divide them with 5?

What does this mathematical rebus means ?

Manish and Manoj play 5 games of chess.
Both Manish and Manoj win the exact same number of games. There is no tie at all.

How?

What do you answer even though it never asks you questions?

Can you count the number of triangles in the given figure?