How many bananas can you eat if your stomach is empty?

You can see it everyday, But cannot touch it at will. What is it?

What begins with T, ends with T, and has T in it?

A thief enters a store and threatens the clerk, forcing her to open the safe. The clerk says, “The code for the safe is different every day, and if you hurt me you’ll never get the code.” But the thief manages to guess the code on his own. How did he do it?

A Scientist was fifty years old in the year 2000 but he was forty years old in the year 2010. How can this be possible?

PS: It has a logical answer.

How old is your son? asked a man to his neighbour. My son is five times as old as my daughter and my wife is five times as old as my son. I am twice as old as my wife whereas my grandmother, who is celebrating her eighty-first birthday is as old as all of us put together.

How old is the man's son ?

I speak without a mouth, and hear without ears. I have no-body, but I come alive with the wind. What am I?

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

With pointed fangs I sit and wait; with piercing force I crunch out fate; grabbing victims, proclaiming might; physically joining with a single bite. What am I?

In the image given, you can find several triangles. Can you count them all?