It is deaf, Dumb and Blind!!!

Still, always tells the truth. What is it?

Who has married many women but was never married?

Which is Odd One Out and why?

4377

3954

9862

8454

9831

What is the word or phrase?

I have Rs.50 and I spend it in the way as below.

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

Pronounced as one letter,
And written with three,
Two letters there are,
And two only in me.
I am double, I am single,
I am black blue and grey,
I am read from both ends,
And the same either way.

You find yourself in a strange place guarded by two guards.One of the guard always say truth while other always lies.You don't know the identity of the two.You can ask only one question to go out from there. What should you ask?

Solve below popular number sequence
314 159 265 358 979 323 846 ?

Which country gets ill every time?