Can you replace the question mark with the correct letter?

6 + 6 + 6 = N
7 + 7 + 7 = E
8 + 8 + 8 = R
0 + 0 + 0 = ?

Your mother’s brother’s only brother-in-law is asleep on your couch. Who is asleep on your couch?

What is the Surname of Barbie Doll?

This is a picture puzzle. You have to guess the name of the movie that can be related to the picture.

Spot what is wrong here in below Picture?

If you drop me I’m sure to crack, but give me a smile and I’ll always smile back. What am I?

Find the missing number in the sequence below:

A thief enters a store and threatens the clerk, forcing her to open the safe. The clerk says, “The code for the safe is different every day, and if you hurt me you’ll never get the code.” But the thief manages to guess the code on his own. How did he do it?

What's the only room from which no one can enter or leave

I never stop running even when I standstill. If I am formed by joining two identical bodies together, can you guess who I am?