By removing one matchstick and adding one matchstick, can you convert the word "ZOO" to an animal name?

An evil man kidnapped someone and made them take one of two pills. One was harmless, but the other was poisonous. Whichever pill the victim took, the kidnapper took the other one. The victim took their pill with water and died. The kidnapper survived. How did the kidnapper get the harmless pill?

Can you place six X (crosses) in below board without making three in a row in any way ?

I have a hole in my back and legs I lack.
I live where I can’t breathe and I eat without teeth.
What am I?

Can you identify the Oscar-winning movie from the rebus below?

You’re out on the water and see a boat filled with people. You look away for a second and look back again, but this time you don’t see a single person on the boat. Why? Hint: The boat did not sink.

What part of Turkey has the most feathers?

What's the next in the series?

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

John was working on a Chemical Mixture whose weight comprise 90% liquid and 10% solid. The total weight of the mixture is 20 pounds. After a while, John noticed that some of the liquid evaporated and now the liquid comprises just 50% of the weight.

What is the weight of the chemical mixture now?

Can you move 2 matchsticks to form four equal sized squares.