I am a number I am not an odd number I am higher than 90 I am not higher than 100 If you subtract me from 100, you get nothing. What number am I?

There was once a college that offered a class on probability applied to the real world. The class was relatively easy, but there was a catch. There were no homework assignments or tests, but there was a final exam that would have only one question on it. When everyone received the test paper it was a blank sheet of paper with a solitary question on it: 'What is the risk?'.Most students were able to pass, but only one student received 100% for the class! Even stranger was that he only wrote down one word!
What did he write?

The cream is heavier than Milk. True or False?

Count the number of balls in picture below:

Is the statement valid that it does not matter how much older a sibling is, eventually the younger one will be half as old as the older one?

Replace all '*' with digits 1, 2, 3, 4, 5 and 6 to make below statement true.

* *
x *
=====
* * *

What question can you never answer yes to?

Can you find out a way through which you can make five squares out of the given figure by moving just six match sticks?

I have Rs.50 and I spend it in the way as below.

How many bricks does it take to complete a building that is 15 feet wide, 30 feet deep, and 12 feet tall made of brick?