What you cannot hold but it is yours?

How many Watermelons are there in the below picture?

Different lights make me strange by changing me into different sizes. What am I?

What can you catch but never throw?

You have a three-gallon and a five-gallon measuring device. You wish to measure out four gallons.

An artist while painting a scenic beauty, decides to paint three layers of blue colour on the sky.

Which layer will go on the first?

What has lots of eyes, but can’t see?

You have three orange, two pink and five purple balls in the drawer beside your bed. There is no electricity and the room is entirely dark. How many balls must you take out to ensure at least one ball of each colour at least?

See the given image carefully. What you have to do is move the blue checkers in the position of the black checkers and vice versa. You are only allowed to move the checker to an adjacent empty space. Do it in the least possible moves.

If nine thousand, nine hundred nine dollars is written as $9,909,
how should twelve thousand, twelve hundred twelve dollars be written?