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

Can you start the fire using two pieces of wood?

Two batsman each on 94 runs. Seven runs needed to win in last 3 balls. Both make 100*. How?

I am quite hot but become too cold if you remove the first two letters. What am I?

There is an English word that can be used up to four times in a row without modifying the spelling and form a valid grammatical sentence.

Do you know what word is that?

Can you find the missing number in the third row?
35 20 14
27 12 18
5 2 ?

During a secret mission, an agent gave the following code to the higher authorities
AIM DUE OAT TIE MOD

However, the information is in one word only and the rest are fake. To assist the authorities in understanding better, he also sent them a clue, If I tell you any one character of the code, you can easily find out the number of vowels in the codeword.

Can you find out the code word?

Prove that the below maths equation is true.

8 + 8 = 91

You have a 12 liters jug full of water. You have two empty 8 liters and 5 liters jug. How can you divide the water into two equal parts using these jugs?

Distances from you to certain cities are written below.

BERLIN 200 miles

PARIS 300 miles

ROME 400 milesAMSTERDAM 300 miles

CARDIFF ??? miles

How far should it be to Cardiff ?