Name one eight-letter word with 'kst' in the middle, 'in' the beginning, 'and' at the end.?

A train full of passengers goes through a tunnel. When the train comes out from the other end, there is no single person on the train.

How did it happen?

A person is found murdered in his Chamber. When the crime scene is investigated, the Investigator find out that there is a calendar on which the victim has written a few numbers with his blood. The numbers are 4, 11, 11 and 4.

There are four suspects in the murder, John, Jacob, Anna and Lee. Can you find out who is the murderer?

How will you measure 15 minutes using two hourglasses of 7 minutes and 11 minutes respectively?

When I go in I might cause pain. I cause you to spit and ask you not to swallow. I can fill your hole. What am I?

What does an Island and the letter T have in common?

I know there are two methods by using three time the same number with a plus(+) operator , you can make sum as 60.

One of them is 20+20+20.

whats the other way ?

What is so fragile that saying its name breaks it?

Three doctors said that Bill was their brother. Bill says he has no brothers. How many brothers does Bill actually have?

A man dies of old age on his 25 birthday. How is this possible?