O_er_t_o_

Complete the missing letters of the given word.

Keyboard words are not in alphabetical order, Why?

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

You are given a cube that is made with the help of 10x10x10 smaller cubes summing up to a total of 1000 smaller cubes. You are asked to take off one layer of the cubes.
How many remain now?

What can you see in the middle of March and April that you can never see in any other month?

If Bihan is 10, Anirudha is 20, and Kim and Seal are both 5, but Rikold is 10, how much is Kenniger by the same trend?

When I got four, I have it none.
When I got two, I have it some.
When I got none, I have it all.

What is it?

John can place six large boxes or nine small boxes into a carton.

Can you find out in how many cartons can he place sixty-six boxes in total?

A father is locked up in jail. His wife has gone bankrupt. Their male child has to sell his hotel in order to gain some money. Yet their girl child does not care and is quite happy.

How can someone be so rude?

What can jump higher than a building?