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

The average age of 10 members of a committee is the same as it was 4 years ago, because an old member has been replaced by a young member. Find how much younger is the new member ?

John is a strange liar.

He lies on six days of the week, but on the seventh day, he always tells the truth.

He made the following statements on three successive days:

Day 1: "I lie on Monday and Tuesday."
Day 2: "Today, it"s Thursday, Saturday, or Sunday."
Day 3: "I lie on Wednesday and Friday."

On which day does John tell the truth?

What is the word or phrase below?
R | E | A | D

Spot the cat in the picture below

Replace the question mark with the correct number.

Can you replace the question mark with the correct number in the below table sequence?

The below mentioned letters have been placed in a order using a logic.

DEAD, BALL, FEAR, SHOP

Can you find the logic?

By moving exactly three matchsticks can you make the below equation true.It can be solved by 3 ways.

What does the below rebus puzzle mean?