One is to three as three is to five and five is to four and four is the magic number.
What is the pattern?

My location can be determined by the below rebus.
So where am i ?

What is in seasons, seconds, centuries and minutes but not in decades, years or days?

A King wants to send the diamond ring to his girlfriend securely. He got multiple locks and their corresponding keys. His girlfriend does not have any keys to these locks and if he sends the key without a lock, the key can be copied in the way. How can King send the ring to his girlfriend securely?

Always in you, Sometimes on you;

If I surround you, I can kill you.

What am I?

How can you write nineteen in a manner that if we take out one, it becomes twenty?

What does the following BrainBat signifies?

ABCDEFGHIJKLMNOPQRSTUVWYZ

QQQQQQQQQQQQQQQQQQQQQQQQQ.

Can you complete the sequence puzzle?

AR TA GE CA LE VI LI _

If eleven plus two equals one, what does nine plus five equal?

There are 2 sand hourglasses.

The small one can measure 5 hours and the large one can measure 7 hours.

How can we measure 16 hours with 2 sand hourglasses running together ?