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

When I asked a girl's name she told me her name is the date '07/09/2001'.

I thought for a few seconds and then I got her name. Do you?

When you say goodbye, I am what you need to tie.
I come as a couple and go wherever you run.
Who am I?

Can you solve the rebus below?

What word begins and ends with an E, but has only one letter?

My friends called me Iron59 because my parents are a chemist and a mathematician. What is my real name?

If it took eight men ten hours to build a wall, how long would it take four men to build it?

In a supermarket, there is an intelligent glass pane before a refrigerating unit. This glass pane allows cherries and apples through it but does not allow grapes and Orange to pass through it.

Can you identify the rule that the glass pane is following?

What is wrong in the below Picture?

A bomb goes off.
Carnage.
One person, only a few feet away, survives! How can this be?