Which is heavier: a ton of bricks or a ton of feathers?

In the addition below, all digits have been replaced by letters. Equal letters represent equal digits and different letters represent different digits.
ABCABA
BBDCAA
ABEABB
ABDBAA
------- +
AAFGBDH
What does the complete addition look like in digits?

Which five letter word can be added at the end of below word to form a
valid word?

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How can you spell "White of an egg" in one word?
Hint: I know you can spell coke, poke, and joke.

What question can you never answer yes to?

What can go through glass without breaking it?

By removing one matchstick and adding one matchstick, can you convert the word "ZOO" to an animal name?

Quickly Solve this riddle

7 - 4 + 3 * 0 + 1 = ?

A new Engineering building containing 100 offices had just been completed. John was hired to paint the numbers 1 to 100 on the doors. How many times will John have to paint the number nine (9)?

Okay before we begin with the puzzle, do keep in mind that you have to answer it quickly.

You are participating in a car race. Seeking the perfect moment, you overtake the second person in the race. What positions are you in now?