What's the next in the series?

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

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

Solve below popular number sequence
314 159 265 358 979 323 846 ?

Find the smallest sentence with all the English alphabet.

A detective visits his friend John just to discover that John's neighbour Dr Jacob was murdered. Dr Jacob, who is a mathematician wrote the murderer's name in a code word "Hcqtfz". There were five suspects
1. Ajit
2. Pankaj
3. Ganpat
4. Deenu
5. Hariya

The Detective was instantly able to find the murderer.
Can you?

John was drowned by he was not wet. How?

Our product and our sum always give the same answer. Who are we?

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?

What does an Island and the letter T have in common?

What's a single-digit number with no value?