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

My location can be determined by the below rebus.
So where am i ?

What is the next number in this matchsticks series riddle?

You see a boat filled with people, yet there isn’t a single person on board. How is that possible?

I inserted a coin in a bottle and closed its mouth with the help of a cork. Now, I was able to take the coin out from the bottle without taking out the cork or breaking the bottle. Can you tell me how I did it?

Take away the whole and some still remain. What is it?

Can you find the next number in the below sequence
3 , 7 , 10 , 11 , 12 , 17 ?

What is red and smells like blue paint?

A King wants to send the diamond ring to his girlfriend securely. He got multiple locks and their corresponding keys. His girlfriend does not have any keys to these locks and if he sends the key without a lock, the key can be copied in the way. How can King send the ring to his girlfriend securely?

If you go to the movies and you're paying, is it cheaper to take one friend to the movies twice, or two friends to the movies at the same time?