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

What has 13 hearts but no other organs?

What country can make you shiver?

You can see it everyday, But cannot touch it at will. What is it?

What is the next number in this matchsticks series riddle?

Spelt forwards I’m what you do every day, spelled backwards I’m something you hate. What am I?

Can you count the number of blocks in the picture below?

Name the three-letter word that can complete the below words?

A) L O _ _ _ E
B) E D U _ _ _ E
C) _ _ _ E R
D) _ _ _ T L E

What breaks yet never falls, and what falls yet never breaks?

In the picture given below, can you find out which digit will take place of the question mark?