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

Can you find out which number multiplied by itself will give the output as 12345678987654321?

What has to be broken before you can use it?

You are given four results as below:
1111 = F
2222 = E
3333 = T
Then, can you find out how to code 4444?

John killed hundreds of people mercilessly and yet the police were not able to put her behind the bars. Why?

Using eight eights and addition only, can you make 1000?

In a boat, the father of a sailor's son is sitting with the son of the sailor. However, the sailor is not present on the boat.

Can this even be possible?

You have a roll of cloth 1km long. You have a machine which cuts this roll into pieces of 10-meter-long cloth.

How long would it take for the machine to cut the roll if each cut took 4 secs?

John can eat 27 chocolates in an hour, Jacob can eat 2 chocolates in 10 minutes, and Jolly can eat 7 chocolates in 20 minutes. How long will it take them to share and eat a box of 120 chocolates whilst playing Chess?

What number comes next in the series?

5 15 5 18 5 24 14 20 _