What's the next in the series?

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

What has hands, but can’t clap?

Remove two matchsticks to make the below equation correct.

Which Burger Is Different in below image?

Only one color, but not one size,
Stuck at the bottom, yet easily flies.
Present in sun, but not in rain,
Doing no harm, and feeling no pain.
What is it?

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?

Can you count the number of blocks in the picture below?

Replace the question mark with the correct number, given the pair of numbers exhibits a similar relationship?

? : 3839 :: 11 : 1209

I am a normal creature, but I have five hands. I can even have more but even then I will be considered normal.

Who am I?

Can you count the number of rectangles on a chessboard?