What's the next in the series?

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

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

Two guards were guarding the camp.Guard-1 was looking towards the south to make sure no threat is coming from the road.Guard-2 was looking at the north to make sure no threat is coming from the top. Suddenly Guard-1 ask the Guard-2 why he is smiling?How Guard-1 knows that Guard-2 is smiling?

Which word does the below Plexor means ?

People put me on the table and cut me but do not eat me. What am I?

Look at the below sequence of letters and tell us what the next letter should be:

O T T F F S S ?

When I got four, I have it none.
When I got two, I have it some.
When I got none, I have it all.

What is it?

Mother's Name is Mrs. SIXTY TWO
Son's Name is FIFTY TWO
Daughter's Name is FORTY TWO
What is Name of Father?

How can you drop a raw egg from a height onto a concrete floor without cracking it?

There are hundred red gems and hundred blue gems. The blue gems are priceless while the red gems equal wastage. You have two sacks one labeled Heads and the other Tails. You have to distribute the gems as you want in the two sacks. Then a coin will be flipped and you will be asked to pick up a gem randomly from the corresponding sacks.

How will you distribute the gems between the sacks so that the odds of picking a Blue gem are maximum?