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?

When it's bad luck to meet a black cat?

I am taken from a mine and shut up in a wooden case, from which I am never released, and yet I am used by almost every person. What am I?

Can you write down eight eights so that they add up to one thousand?

Which number comes next in the number series?

2, 9, 30, 93, ?

What is the unique property of the following words ?
* Revive
* Banana
* Grammar
* Voodoo
* Assess
* Potato
* Dresser
* Uneven

What can go through glass without breaking it?

Christina has four daughters, and each of her daughters has a brother. How many children does Christina have?

Replace the question mark with the correct number below.

An equation has been laid down using a few matchsticks. However, as you can see, the equation is not correct. Can you correct the equation if you are allowed to add or remove 5 matchsticks?