What's the next in the series?

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

What has a bottom at the top?

I am weightless, but you can see me. Put me in a bucket, and I'll make it lighter. What am I?

A 3 digit number is such that it's unit digit is equal to the product of the other two digits which are prime. Also, the difference between it's reverse and itself is 396.

What is the sum of the three digits?

As shown in the picture below, we can see a boy hanging on the tree branch to save his life. There are various ways in which he can die like1. A snake hanging toward the right waiting to bite the boy.2. A roaring Lion near the tree.3. Two crocodiles are ready to attack if the boy reaches near water. The tree is chopped to some extent, so can fall as if he moves a lot. Can you give this boy an escape plan?

A word I know,
Six letters contain,
Subtract just one,
And twelve is what remains.

Can you count the number of triangles in the given figure?

If all the below statements are true

1. Gianni was either in Italy or France in 1997.
2. If Gianni did not kill Versace, Hilton must have killed him.
3. If Versace died of suffocation, then either Gianni killed him or Versace committed suicide.
4. If Gianni was in Italy in 1997, then Gianni did not kill Versace.
5. Versace died of suffocation, but he did not kill himself.

Who killed Versace and where was Gianni in 1997?

Why is it very easy to weigh a fish?

An office is divided into 8 cubicles. How many of the cubicles are painted if only 1/8 of the cubicles are painted?