I can write cow in 13 letters.

Can You?

What word is pronounced the same if you take away four of its five letters?

What has a ring but no finger?

I make a loud sound when I’m changing. When I do change, I get bigger but weigh less. What am I?

In the Chess Board picture below white army is arranged. You need to add a black army on the board such that no piece is under any threat.
Note: Army comprised of 1 king, 1 queen, 2 rooks, 2 bishops, 2 knights, and 8 pawns.

There are 20 people in an empty, square room. Each person has full sight of the entire room and everyone in it without turning his head or body, or moving in any way (other than the eyes). Where can you place an apple so that all but one person can see it?

You have two buckets of 11 liters and 6 litres.
How can you measure exactly 8 litres?

The king of Octopuses has servants who have six, seven or eight legs. The distinguishing characteristics of the servants is that the one with seven legs always lie but the one with either six or eight legs speak the truth always.

One day, four servants meet and converse:

The black one says, 'We have 28 legs altogether.'

The green one says, 'We have 27 legs altogether.'

The yellow one says, 'We have 26 legs altogether.'

The red one says, 'We have 25 legs altogether.'


Can you identify the colour of the servant who is speaking the truth?

Can you find out a way through which you can make five squares out of the given figure by moving just six match sticks?

Find The Next Number in this series.
1, 2, 6, 42, 1806 ?