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

You have two jars of chocolates labelled as P and Q. If you move one chocolate from P to Q, the number of chocolates on B will become twice the number of chocolates in A. If you move one chocolate from Q to P, the number of chocolates in both the jars will become equal.

Can you find out how many chocolates are there in P and Q respectively?

I look flat, but I am deep. Hidden realms I shelter. Lives I take, but the food I offer. At times I am beautiful. I can be calm, angry, and turbulent. I have no heart but offer pleasure as well as death. No man can own me, yet I encompass what all men must have. What am I?

Two fathers and two sons went fishing one day. They were there the whole day and only caught 3 fish. One father said, that is enough for all of us, we will have one each. How can this be possible?

You can hear me, but you can't touch or see me.

What am I?

Who is generally closer to the kids, mom or dad?

(it's a funny riddle)

What is next number in the pattern below:

131 517 192 123 ?

When it is alive we sing, when it is dead we clap our hands. What is it?

A man was just doing his job when his suit was torn. Why did he die three minutes later?