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

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

Which word is least like the others? Third, fourth, fifth, sixth, seventh, eighth, ninth?

I have nine bottles of wine and one of the nine bottles is poisoned.
I need to find the poisoned bottle with two facts
(1) Poison is deadly, only a sip will cost death
(2) I have two mice to do so.

How should I do it?

Outside a tattoo artist's shop, there was a signboard which read 'I make tattoos on only them who do not tattoo themselves'.

Reading it what do you think, does the tattoo artist tattoo himself?

I have lakes with no water, mountains with no stone and cities with no buildings. What am I?

What numbers should go on the bottom line?
3 6 9 15
8 2 10 12
11 8 19 27
19 10 29 39
? ? ? ?

I can turn polar bears white.
I can make anyone dance.
I can make everyone cry
I can make your hands clap
I can make you thin.
I can make you smile.
I can make you smile

Can you guess the riddle?

Can you identify if it's a murder or a suicide ?

You need to arrange three 7 and mathematical symbols to form number 1?