Can you convert the number zero(0) into a positive number using just one mathematical operator ?

In the following picture, E is going to slide the object down and as per the terrain and the physics, the round object is going to travel all the way till the end. Now, can you analyze who all people will die when it happens?

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

He runs but never walks. Murmurs, but never talks. Has a bed, but never sleeps. And has a mouth, but never eats?

Can you solve this amazing hard number series problem?
7, 8, 10, 12, 16, 18 ?

What is so fragile that saying its name breaks it?

Always in you, Sometimes on you;

If I surround you, I can kill you.

What am I?

Who are the happiest people in IPL match?

Can you divide the below-given shape into four equal and identical pieces?

If there are fifteen crows on a fence and the farmer shoots a third of them, how many crows are left?