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

The host of a game show offers the guest a choice of three doors. Behind one is an expensive car, but behind the other two are goats.
After you have chosen one door, he reveals one of the other two doors behind which is a goat (he wouldn't reveal a car).

Now he gives you the chance to switch to the other unrevealed door or stay at your initial choice. You will then get what is behind that door.

You cannot hear the goats from behind the doors, or in any way know which door has the prize.

Should you stay, or switch, or doesn't it matter?

Railroad Crossing, look out for the cars. Can you spell that, without any R's ?

Why do Chinese men eat more rice than Japanese men do ?

I’m light as a feather, yet the strongest person can’t hold me for five minutes. What am I?

On a magical land of Mexico , all the animal in the land are rational.

There are 10 tigers and one goat.
Tiger can eat goat but since it's a magical land , the tiger who eats the goat , turns into goat and then can be eaten by the remaining tiger(s).

If we leave them for some time then how many goat and tiger will be there , when we come back ?

I am a ten letters word
The first four letters have the power to rule,
Next, four-letter can be eaten.
The next three-letter represents a lady.
I can fly as well

what am I looking for?

Prove that twice of ten is the same as twice of eleven.

Can you solve the maths in the below-given picture equation?

Which five letter word can be added at the end of below word to form a
valid word?

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