1 + 9 + 8 = ?
considering, 28 + 8 + 92 = 10

Name a key which is hardest to turn.

How many minutes are there in Feb 2017?

Note: The shortest answer is the correct answer.

A pregnant woman is preparing to name her seventh child. Her children's names so far are Dominique, Regis, Michelle, Fawn, Sophie, and Lara. What will she name her next child -- Jessica, Katie, Abby or Tilly?

In the image below, you can see two glasses and two matchsticks.You need to move four matchsticks in such a manner that the crosses come inside the glasses. Note: you cannot move the crossed.

From a pack of 52 cards, I placed 4 cards on the table.

I will give you 4 clues about the cards:

Clue 1: Card on left cannot be greater than the card on the right.
Clue 2: Difference between the 1st card and 3rd card is 8.
Clue 3: There is no card of an ace.
Clue 4: There are no face cards (queen, king, jacks).
Clue 5: Difference between the 2nd card and 4th card is 7.

Identify four cards?

By moving exactly three matchsticks can you make the below equation true.It can be solved by 3 ways.

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

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

Why 1729 is a magic number? Answer Logically.