What mathematical symbol can be put between 5 and 9, to get a number bigger than 5 and smaller than 9?

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

On a windy rainy night , I was driving in my car.
When i reach the bus stand , i see three people waiting for the bus.

1. An old lady who needs an immediate medical attention
2. My Best Friend
3. Girl whom i love from childhood

My car is a two seat, so can you tell me , what i have done in this situation ?

There are four 3-link chains. All you have to do is join them into a big 12-link chain. For joining two closed links, one of the links must be cut and placed onto the other link for closing.

How many minimum links will you have to cut to make the big chain?

I never stop running even when I standstill. If I am formed by joining two identical bodies together, can you guess who I am?

There are three houses in a straight row. One is red, one is blue, and one is white. The red house is left of the middle. The blue house is right of the middle. Where's the white house?

Can you solve the photo plexer logic ?

Be active and find the killer in the picture Riddle below.

It has a long neck, A name of a bird, Feeds on cargo of ships, It's not alive,

What is it?

It spends most of its day eating white, but when it’s quick enough, it gets to eat fruit and sometimes some blue things. It’s in a dark room, where the walls are blue, it runs from a ghost that roams the halls and haunts it all the time. What is it?