A 52% bias toss for head using the 51% tail bias coin was done to obtain a fair result.

Can you find how bias is the floor in this case?

They came out at night, without being called.
They lost at day, without being stolen.
Who are they?

Do You See It?

A bag contains 64 balls of eight different colours. There are eight of each colour (including red). What is the least number you would have to pick, without looking, to be sure of selecting 3 red balls?

A man says, "Brothers and sisters, have I none, but that man's father is my father's son." Who is that man?

Write the next letter in this sequence.
O, T, T, F, F, S, S, E, __
**Hint: It is a Number Series Puzzle

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 place six matchsticks in a manner that each of the matchsticks is in touch with the other five matchsticks?

A man in a car saw a Golden Door, Silver Door and a Bronze Door. What door did he open first?

What comes
Once in a Year
Twice in a Month
4 times in a Week
6 times in a Day