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

Here is a mathematical expression that also secretly tells a movie name. What movie is that?

Jenifer and Jesica are having a conversation.

Jenifer: I am definitely not over 30.
Jesica: I am 28 and you are surely 5 years older to me at least.
Jenifer: No, you are at least 29.

You are told that both of them are lying throughout in the conversation. Can you find their respective ages?

What 5-letter word typed in all capital letters can be read the same upside down?

What has one eye, but can’t see?

Nodes are shown below and you need to connect them based on the following rule: Every node can be connected to the number of nodes inside them, i.e. the first node there is a value of 1 which indicates that the first node can connect to exactly one node only.Can you do it?

Which alphabet letter is a question?

A certain street contains 100 buildings. They are numbered from 1 to 100. How many 9's are used in these numbers?

Look at the picture and find out which square is not linked with any of the other squares.

I am a three digit number.
My tens digit is five more than my ones digit.
My hundreds digit is eight less than my tens digit.
What number am I?