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?

What number when divided in half becomes zero?

Buy me, smell me or deliver me, I do not change.

Who am I?

Nine marbles are arranged in the image below. Can you slide two marbles to form a square?

What can you catch but never throw?

Your job is to measure 45 minutes if you have only two cords and matches to light the cords.

1. The two cords are twisted from various materials, so their different segments can burn at different rates.
2. Each cord burns from end to end in exactly one hour.

Describe your way of measuring the 45 minutes.

I am a word that begins with the letter “i.” If you add the letter “a” to me, I become a new word with a different meaning, but that sounds exactly the same. What word am I?

What number should come in place of the question mark below?

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?

Can you solve the below algebraic mathematical equation?

(J+O+I+N+T)3 = JOINT