What's the next in the series?

H, Be, F, S, Mn, Kr, In, Gd, Tl, ?

How many people must be gathered together in a room, before you can be certain that there is a greater than 50/50 chance that at least two of them have the same birthday?

What is the word or phrase below?
R | E | A | D

Can you decipher the two rows to find the hidden word?

Make eight squares by moving only two matchsticks.
Note- Square can be of different sizes.

Can you Find and name the hidden bird in the picture below ?

You walk into a room and see a bed. On the bed, there are two dogs, five cats, a giraffe, six cows, and a goose. There are also three doves flying above the bed. How many legs are on the floor?

A girl has as many brothers as sisters, but each brother has only half as many brothers as sisters. How many brothers and sisters are there in the family?

I am a number I am not an odd number I am higher than 90 I am not higher than 100 If you subtract me from 100, you get nothing. What number am I?

John was drowned by he was not wet. How?