What's the next in the series?

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

A man dies of old age on his 25 birthday. How is this possible?

A woman named Maria was at the funeral of her mother. She met a nice young man that she had never seen before and after the service, they spent a bit of time together. Then she got busy and didn’t get his name or phone number before he left. She tried to find him, but no one knew who he was or how to contact him. A few weeks later, Maria’s older sister dies and the police suspect murder. Who killed the sister?

Prove that twice of ten is the same as twice of eleven.

Take one out and scratch my head, I am now black but once was red. What am I?

Can you find out a way through which you can make five squares out of the given figure by moving just six match sticks?

A train leaves from point A for point B at 80 mph. After half an hour, another train leaves from point B for point A at 60 mph.

Which of the trains will be farther from point A when they meet ?

What does below Rebus mean ?

esgg sgeg gegs gsge

What does this simple rebus mean?

What is the fastest way to double your money?