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

What time is it when an elephant sits on a fence?

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

Can you replace the question mark with the correct number?

Thirty friends were on a hiking trip when they decided to enjoy the bonfire. They assembled for it and agreed to play a game. For that, they divided themselves into five teams with seven members each, forming five rows.

How did they manage to achieve this formation?

I look at you, you look at me I raise my right, you raise your left. What am I?

Find The Next Number in this series.
1, 2, 6, 42, 1806 ?

'Ferrari driver' easily beats the 'force driver' in a two-car race. How did Indian newspapers truthfully report so to look as a 'force drive' had outdone the 'Ferrari driver'? Think!!!

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

If,

6 / 7 = 2
3 / 9 = 7
8 / 2 = 6

Then

4 / 5 = ?