Can you count the number of lines in the below picture?

When can we add 2 to 11 and get 1 as the correct answer?

I shave every day, but my beard stays the same. What am I?

In 1990, a person is 15 years old. In 1995, that same person is 10 years old. How can this be?

Cristina was born in 1888. She just had her 30th birthday today how did that happen?

Get total of 120 by using five zeros 0,0,0,0,0 and any one mathematical operator.
Do you ?

In the addition below, all digits have been replaced by letters. Equal letters represent equal digits and different letters represent different digits.
ABCABA
BBDCAA
ABEABB
ABDBAA
------- +
AAFGBDH
What does the complete addition look like in digits?

Out of four images which one is the odd one out?

What is the largest amount of money that you can possess in change and still if someone asks you for a dollar, you won't be able to give?

Assume the given figure to be a delicious doughnut. Yes, now you can concentrate more on the puzzle. So you have this delicious doughnut in your refrigerator when your friends come knocking at the door. There are eight of them. Now you have to make three cuts in this doughnut so that each one of you nine people can enjoy a piece of it. Neither you nor your friends would mind the size of their piece as long as they are getting it. How will you do it?