What's the next in the series?

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

Which Travels Faster? Solve below famous picture riddle:

In a secret society, a buried chamber can be accessed only via a secret password. The password is seven characters long and comprises of just letters and numbers.

You find a code that can help you in cracking the password. The code says "You force heaven to be empty".

Can you deduce the password from that?

Eight of us go fourth, not back, to protect our king from an attack. What are we?

What mathematical symbol can be put between 5 and 9, to get a number bigger than 5 and smaller than 9?

What is the end of everything?

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

A mother is 21 years older than her child. In exactly 6 years from now, the mother will be exactly 5 times as old as the child.
Where's the father?

There is a straight highway. Four different villages lie on that highway. The distance between them is different. The third village is 60km away from the first village; the fourth is 40 km away from the second; the third is 10 km near to the fourth that it is to the second.

Can you calculate the distance between the fourth and the first village ?

John left on a horse on Thursday , was gone for two days, and came back on Thursday after completing his work. How did that happen?