I’m tall when I’m young, and I’m short when I’m old. What am I?

What is the largest amount of money that you can possess in change and still if someone asks you for a dollar, you won't be able to give?

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

Look at the below sequence of letters and tell us what the next letter should be:

O T T F F S S ?

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?

Solve the puzzle by telling what does below picture means.

Two boys were admitted to a school. When the headmaster asks them about their parents, they tell him that they have same parents (father and mother). On further inquiry, it turns out that they both share the same date for their birthday.

"Are you twins," ask the headmaster.
"No," replies the boys.

Is it possible?

using four eights (8) and a one (1) and one mathematical symbol , create the number 100

Suppose you are a girl candidate and sitting in an interview. Suddenly the interviewer asks you, 'What if one morning you wake up and find out that you are pregnant?

How will you reply to such a question?

1. What does:
TIM JOB
represent?

2. What does:
MO_ _
represent?