Can anyone tell me a word in the English dictionary which has a silent 'z'?

If there are fifteen crows on a fence and the farmer shoots a third of them, how many crows are left?

Spot 5 differences in two Christmas tree below:

If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?

Can you fill the blank with the correct number?

6 30 870 756030 _____

What word is pronounced the same if you take away four of its five letters?

What does this rebus means ?

The Judge knows that Alamgir was killed by his girlfriend Jasline, but the judge is unsure whether to punish her. Why?

A man had five children. He had $100 with him to give to his children. He decided to start with the youngest child and then give $2 more than each younger child to his next elder child.

For example, if he gives $x to the youngest child, he will give $(x+2) to the next one, $[(x+2) + 2] to the next one and so on.

Can you find out how much did the youngest one receive?

What always comes into a house through the keyhole?