What's the next in the series?

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

What goes up but never comes down?

Railroad Crossing, look out for the cars. Can you spell that, without any R's ?

Three doctors said that Bill was their brother. Bill says he has no brothers. How many brothers does Bill actually have?

What is wrong in the below Picture?

A Japanese ship is sailing in the Indian Ocean. The captain of the ship feels tired and decides to take shower to be rejuvenated. He goes to take the shower after keeping his diamond-studded Rolex watch and gold chain on the table.
When he comes back after 15 minutes, he finds them missing. There are 4 crew members on the ship and he calls them one by one to ask them what they were doing in that duration.

Following are the answers:
1. Crew 'A' who is the cook replies that he was cooking mutton for the crew members.
2. Crew 'B' who is a housekeeper tells that he was sleeping in his room.
3. Crew 'C' who is the engineer says that he was checking on the generator.
4. Crew 'D' who is another housekeeper says that he was correcting the hoisted flag that was put upside down.

It took only a couple of seconds for the captain to find the thief. Can you find the thief too?

It walks on 4 when its young, walks on 2 when it's older, and walks on 3 when its very old?

Decode this picture on T-Shirt and tell what it says ?

A Child was born in Lahore, Pakistan. Still, the child is not a Pakistani citizen. why?

What is the word or phrase?