A cat had three kittens: Snophy, Topsy and Jorden. What was the mother's name?

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

John’s parents have three sons: Snap, Crackle, and what’s the name of the third son?

A mother is 21 years older than her child. In exactly 6 years from now, the mother will be exactly 5 times as old as the child.
Where's the father?

I never was there, I am always to be.
You have never ever seen me, not ever you will.
Yet I am the confidence of everyone.

Who Am I?

There are hundred red gems and hundred blue gems. The blue gems are priceless while the red gems equal wastage. You have two sacks one labeled Heads and the other Tails. You have to distribute the gems as you want in the two sacks. Then a coin will be flipped and you will be asked to pick up a gem randomly from the corresponding sacks.

How will you distribute the gems between the sacks so that the odds of picking a Blue gem are maximum?

A boy was driving a car, a girl took a lift from her. She asked his name. The boy said - my name is hidden in my car’s number, find it if you can. After this, she got down Car number was [ WV733N ] Can you guess the name now?

Decode below three cipher riddles:

26 L of the A
7 D of the W
1000 Y in a M

Can you count the number of seconds in a year?

Clue: You need to bother about calculation.

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

(it's a funny riddle)