Why did the Girl throw the butter out of the window?

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

A pack of cards has 40 cards. You are blindfolded. Out of 40, 25 cards are facing down while 15 are facing up. You have been asked to divide this pack of cards into two decks - so that each deck contains an equal number of face-up cards. Remember, you are blindfolded.

How will you do it?

A girl rode into a tourist spot out of the city on Thursday. She loved the place and decided to stay for a few days. She stayed for four days and then she left for back home on Thursday.

How can this be possible?

This is a classy optical illusion puzzle. What more you can find except bricks in the image below?

What number does the below three word/phrase identify and why?
1. Deck
2. Year
3. Singing in the Rain

I travel all around the world but always stay in the corner. What am I?

Only one color, but not one size,
Stuck at the bottom, yet easily flies.
Present in sun, but not in rain,
Doing no harm, and feeling no pain.
What is it?

Can you decipher the two rows to find the hidden word?

What kind of tree can you carry in your hand?