Out of three Friends John, Jacob and Jonny one of them is a king, one is a bureaucrat, and one is a Spy.

The king always tells the truth, the bureaucrat always lies, and the Spy can either lie or tell the truth.

John says: Jonny is a bureaucrat
Jacob says: John is a king
Jonny says: I am a Spy

Tell me, Who is the king, who is the bureaucrat, and who is the Spy?

Place a mathematical symbol between the numerals 5 and 9 in such a way that the resulting number is greater than 5 but smaller than 9.

Can you find out what is missing?

1 3 5
2 4 ?

Hint: It's not six. Think out of the box.

How will you measure 15 minutes using two hourglasses of 7 minutes and 11 minutes respectively?

Analyze and find the missing item in the sequence:
16, 06, 68, 88, __, 98

I am never scared but became petrified and can’t live in a house but would die to make one. What am I?

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 does this rebus picture means ?

Can you solve the tricky chess rebus puzzle below by ciphering the hidden meaning?

A famous swimmer can swim downstream in a lake in exactly 40 minutes with the lake current.
He can swim upstream in that lake in exactly 60 minutes against the lake current.
The length of the lake is 2 km.

How long he can cover the distance of one side at a still lake with no current?