A maths symbol is hidden in the below Bar Graph. Can you decipher it?

John was running from 40 thieves. John has got 3 gold boxes which weigh as 4kg, 2kg, and 1kg respectively. A witty man asked John to stay with him for seven days in exchange for 1kg gold per day. John needs to stay there for seven days and also do not want to give the witty man any advance. How can John pay for his seven days stay?

A man in a car saw a Golden Door, Silver Door and a Bronze Door. What door did he open first?

I have no doors but I have keys, I have no rooms but I have space, you can enter but you can’t leave! What am I?

It is raining today at 11:59 am. What is the probability of sunny weather after 72 hours?

Jessica is telling her friends this story and asks them to guess if it’s the truth or a lie: “There was a man sitting in a house at night that had no lights on at all. There was no lamp, no candle, and no other source of light. Yet, he sat in the house and read his book happily.” Her friends say she’s lying, but Jessica corrects them and says she’s telling the truth. Jessica’s story is true—but how?

A Club organizes a Running Race, and John, Jacob, Minda, and Tony participated.

The results are as follows

John beats Jacob
Minda beats Toni
Toni beats John

Who came first in the race?

This puzzle is for Harry Potter fans. Do you know why Tom Riddle is called Lord Voldemort?

What is the word or phrase?

Why do you find that most of the buildings are deprived of the 13th floor?