Sherlock Holmes was challenged to make a pre-drawn line smaller without erasing it. He did it in fractions of seconds. How?

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 ?

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

What are the 50th, 63rd and 100th numbers in the sequence below?
4, 5, 8, 8, 9, 9, 12, 13, 13, 13, 17, 18, ...

A deaf and mute man goes to the train station. Tickets for the train are 50 cents each. The man goes to the ticket booth and hands the man inside just a dollar. The man in the booth hands him two tickets.

How did the man in the booth know to give him two tickets without even looking at him?

I throw two dice simultaneously.

What is the probability of getting a sum as 9 of the two numbers shown?

If it took eight men ten hours to build a wall, how long would it take four men to build it?

Which tank will fill first?

Why is the longest human nose just 11 inches?

Can you replace the question mark with the correct number in the below table sequence?