When my father was 31 I was 8. Now he is twice as old as me. How old am I?

Can you find the odd number in the following?

2716, 4135, 5321 and 7145

I taste better than I can smell. Who am I?

Luis Garavito killed Density x Volume.

Who is Luis Garavito ?

What are the 50th, 63rd and 100th numbers in the sequence below?
4, 5, 8, 8, 9, 9, 12, 13, 13, 13, 17, 18, ...

how come the second man dies?

How many words can a quill made with the feather of a pigeon write with a 100ml bottle of black ink?

Speaking of rivers, a man calls his dog from the opposite side of the river. The dog crosses the river without getting wet, and without using a bridge or boat. How?

You find yourself in a strange place guarded by two guards.One of the guard always say truth while other always lies.You don't know the identity of the two.You can ask only one question to go out from there. What should you ask?

Spot 5 differences in two Christmas tree below: