Why do you find that most of the buildings are deprived of the 13th floor?

It is always ahead of me yet I can never see it. What is it?

Can you count the number of triangles in the given figure?

What makes this number unique: 8,549,176,320?

Here is a conversation between a couple who both are software professionals.

Husband: Hey! What is your date of birth?
Wife Replied Angrily: It is 591062400
Husband after doing some calculations replied, "Got It".

What is the DOB of the wife?

I am soft and cuddly that soothe your heart. But, If you pick my last name I am going to tear you all apart. Who am I?

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

John and Jacob are twin brothers. One of them is a liar whereas the other one is a truth-teller.

I called their home number and one of them picked up.
I asked. 'Does John lie?' The person replied with a yes.

Whom did I talk with, John or Jacob?

What word is represented by this rebus?

Can you find out which number multiplied by itself will give the output as 12345678987654321?