What's the next in the series?

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

Find The Next Number In The Sequence

30 10 15 13 0 16 -15 ?

What has many teeth, but cannot bite?

The following alphametic has only one solution. Can you find it?
ENLIST + SILENT + LISTEN = ANAGRAM

PS: You may start the number from 0.

"That Restaurant always remains crowded. This is the reason why nobody goes there".

Can you find a flaw in this statement?

On a special event at the prison, 5 prisoners John, Jacob, Krist, Tang, and Dang given a chance to go to a sauna and can bring one thing with them.

Following are the things that the prisoners bring with them.
John: A soda
Jacob: Thermos
Krist: Book named "How to kill"
Tang: A Walkman
Dang: Harmonica

Since it is a Sauna, no one can see each other. After a while When the steam is switched, Tang was found dead and there was blood all around.
J Bond was called and he instantly come to know who can be the murderer. How?

Can you find a rabbit in the given picture?

What does this mathematical rebus means ?

I have branches, but no fruit, trunk or leaves. What am I?

One day, John and his friends were playing around. Jacob hit something with a Pin and it popped. John's dad came into the room that very moment, but he wasn't mad. In fact, he was smiling. What did Jacob hit?