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

What kind of band never plays music?

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

Lifeless eyes on my smiling face and watch your child's sleeping place. In their dreams they hold me tight. What am I?

You along with your friend are standing in front of two houses. Each of those houses inhabits a family with two children.

Your friend tells you the below two facts:
1) On your left is a family that has a boy who likes accounts but the other child loves science.
2) On the right is a family with a seven-year-old boy and a newborn baby.

You ask him, "Does either of the family have a girl?"

To this, he replies, "I am not quite sure. But can you guess that? If you are right, I will give you $500."

Which family do you think is likely to have a girl?

The following four words might seem abrupt to you. But you can make them meaningful by just adding vowels.
RDSH
GGPLNT
TMT
NN

Hint: All of them are vegetables.

Most people think of me as money. But when they find me in the water, they won’t get any money out of me. What am I?

If,

20 % 5 = 24

21 % 7 = 33

42 % 6 = 67

Then;

66 % 6 = ?

Count the number of squares in the picture below.

If we add four times the age of John four years from now to five times his age five years from now we get ten times his current age.

How old will John be two years from now?