Find the hidden panda in the image below.

I have teeth but i don't bite. Who Am I ?

The day before yesterday I was 25 and the next year I will be 28. This is true only one day in a year. What day is my birthday?

What does the below rebus riddle means?

You measure my life in hours
I serve you by expiring
I vanish faster when I am thin
and slower when I am thick
The wind is my energy
What am I?

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?

13 decks of cards have been mixed. What is the minimum number of cards that must be taken out from the above-mixed cards to guarantee at least one 'four of a kind?

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

Different lights make me strange by changing me into different sizes. What am I?

Luis Garavito killed Density x Volume.

Who is Luis Garavito ?