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

Identify the 10 differences between the two given pictures.

They are the five precious gems of an everyday sort and all can be found on a Tennis Court. Who are they?

Find out the missing number in the picture attached:

Vin Diesel is pulling a theft and has planned to run away with all the cash kept in the safe. But the only way to open the safe is the 13 character password. He has a set of five clues given to him by a trustworthy source.

Exactly two of the below statements are false.
The password is contained within this sentence.
The password is not in this hint.
The password is within only one of these statements.
At least one of the above statements is a lie.

What do you see in the image below

You may enter, but you may not come in. I have space, but no room. I have keys, but open no lock. What am I?

Until it is measured, not known. Yet how you miss it when it has gone. What is it?

Can you find the hidden animal in the picture below?

You have to put a letter on the following to make it a meaningful word. The only challenge is that you can't use 'E'.

S E Q U E N C _