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

I am a type of room you cannot enter or leave. Raised from the ground below, I could be poisonous or a delicious treat. What am I?

John leaves home and then he takes three right turns. John wants to return to home but he was scared of Jacob, who is wearing a mask.

What is John Situation ?

Which alphabet letter is a question?

I am quite hot but become too cold if you remove the first two letters. What am I?

I’m light as a feather, yet the strongest person can’t hold me for five minutes. What am I?

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?

What is in seasons, seconds, centuries and minutes but not in decades, years or days?

A network of 20 x 10 squares is given to you.

Can you calculate how many unique squares and rectangles can be formed combining two or more individual squares ?

You can take four of the five letters out of this word, but the pronunciation never changes. What is the word?