Can you count the number of quadrilaterals in the picture below?

Find the number of squares in the below picture

If you toss a coin 10 times and it lands heads up every time, what are the chances it will land heads up if you toss it again?

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

I add 5 to 9 and get 2. The answer is correct, so what am I?

He loves to dance, twist and prance, he shakes his tail, and as a way he sails, wingless he flies into the sky. What is he?

I look at you, you look at me I raise my right, you raise your left. What am I?

You have two bottles of pills marked with labels A and B. The pills are identical. The doctor has asked you to take one A pill and one B pill daily. You cant take more or less than that.

While taking out the pills one day, you took out one pill from A and by mistake took out two from B. You have no idea which pill is which now.

You cant throw away the expensive pills. What will you do now?

When can we add 2 to 11 and get 1 as the correct answer?

It's a 7-letter word.
If we remove 1 letter from it, it remains the same.
If we remove 2 letters from it, it remains the same.
If we remove 3 letters from it, it remains the same.
If we remove all the letters from it, still it remains the same.
What is it?