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

Prove that the below maths equation is true.

8 + 8 = 91

What is both possible and impossible at the same time?

What does Alexander the Great and Winnie the Pooh have in common?

In one of the popular batman series movie "Batman Forever", there was a riddle that goes like "Tear me off and then scratch my head and I was red then and now I am back. Who am I?

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?

I cry without having a voice.
I fly without having wings.
I bite without having teeth.
I whisper without a mouth.

Who am I?

Which wheel of car does not rotate when you turn your car right?

There are 3 apples in the basket and you take away 2. How many apples do you have now?

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