What is a word made up of 4 letters, yet is also made up of 3. Sometimes is written with 9 letters, and then with 4. Rarely consists of 6, and never is written with 5.

I can sizzle like bacon,
I am made with an egg,
I have plenty of backbone, but lack a good leg,
I peel layers like onions, but still remain whole,
I can be long, like a flagpole, yet fit in a hole.

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

How many minutes are there in Feb 2017?

Note: The shortest answer is the correct answer.

What number when divided in half becomes zero?

I throw two dice simultaneously.

What is the probability of getting a sum as 9 of the two numbers shown?

A game is being played where eight players can last for thirty-five minutes. Six substitutes alternate with each player in this game. Thus, all players are on the pitch for the same amount of time including the substitutes.

For how long is each player on the pitch?

How many times do a clock's hands overlap in a day ?

Can you count the number of squares in the figure below?

In my garden, I have many trees but only one of them is the mango tree. In these mango trees, there are some mangoes(as expected).

But after a strong wind, there are neither mangoes on the tree nor on the ground. Explain?