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

On one occasion, A Boy collects 71 rupees in form of 20 paise and 25 paise. He collects a total of 324 coins.

Can you tell me how many 20-paisa and 25-paisa he got?

A Man gave one of his sons 10 cents and another son was given 15 cents. What time is it?
Hint: Figure out the relation between time and number, is not so easy..:)

He does not have any heart but still, He manages to live.
If you kill him, you will eventually die but yet you kill him.
He cannot run, who is He?

How is the moon similar to a dollar?

Why is a river so rich ?

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

A shepherd had 18 sheep, out of which, all but ten died.

Can you tell us how many sheep was he left with?

A number can be multiplied by multiple of nine
i.e 9 18 27 36 45 ...

and the resulting number consist of only one digit.

Can you identify the number ?

Find the smallest sentence with all the English alphabet.