What's the next in the series?

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

What does this Rebus Picture means ?

You have three orange, two pink and five purple balls in the drawer beside your bed. There is no electricity and the room is entirely dark. How many balls must you take out to ensure at least one ball of each colour at least?

There is a hypothetical state between the USA and Mexico border 'Tango'.
Here 70 percent of the population have defective eyesight, 75 percent are hard of hearing, 80 percent have Nose trouble and 85 percent suffer from allergies, what percentage (at a minimum) suffer from all four ailments?

What's the only room from which no one can enter or leave

Can you find the dog hidden in a group of pandas?

The more of this there is, the less you see. What is it?

I look at you, you look at me I raise my right, you raise your left. What am I?

The dirtier I get, the whiter I look. Who am I?

The doctor prescribed you to take one pill from the bottle every half an hour. The bottle is now left with only three pills.

How long do you think you have before you run out of pills?