When 99 is considered higher than 100?

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

My first is in chocolate but not in ham. My second is in cake and also in jam. My third at tea time is easily found. Altogether, this is a friend who is often around. What is it?

I have holes on the top and bottom. I have holes on my left and on my right. And I have holes in the middle, yet I still hold water. What am I?

A Monkey, a squirrel, and an Eagle are racing to the top of the mango tree. Assuming all these animals are in perfect shape, Which animal will reach to Banana first?

One is to three as three is to five and five is to four and four is the magic number.
What is the pattern?

A person was found dead on a big green land with no trees or buildings around. When the police arrived, they found a piece of rock lying next to him and the man was wearing clothes comprising of red, blue and yellow colours.

Can you tell who the person is and what was the cause of death?

When I go in I might cause pain. I cause you to spit and ask you not to swallow. I can fill your hole. What am I?

If I remove one from eleven it becomes Ten and if I remove one from nine also becomes Ten. How?

Which is the rope you never skip with?