Krish is 45 years old and his mother Crishtina is 73 years old.

Can you find out how many years ago, his mother was three times his age?

A shepherd had 18 sheep, out of which, all but ten died.

Can you tell us how many sheep was he left with?

People are waiting in line to board a 100-seat aeroplane. Steve is the first person in the line. He gets on the plane but suddenly can't remember what his seat number is, so he picks a seat at random. After that, each person who gets on the plane sits in their assigned seat if it's available, otherwise, they will choose an open seat at random to sit in. The flight is full and you are last in line. What is the probability that you get to sit in your assigned seat?

Which alphabet letter is a question?

If EELS + MARK + BEST + WARY = EASY

What does HELP + BARK + WARD + LEAD equal?

If 1+9+8=1, what is 2+8+9?

Can you find out a way through which you can make five squares out of the given figure by moving just six match sticks?

What four weights can be used to balance from 1 to 30 pounds?

Can you make the number 24 by utilizing the numbers 1, 3, 4 and 6? You must use one number only one time and you can use mathematical operation symbols anytime anywhere.

The answer I give is yes, but what I mean is no. What was the question?