In the addition below, all digits have been replaced by letters.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?

13 decks of cards have been mixed. What is the minimum number of cards that must be taken out from the above-mixed cards to guarantee at least one 'four of a kind?

What can go through glass without breaking it?

2, 3, 5, 9, 17, _ What is the next number in the sequence?

Two in a corner, one in a room, zero in a house, but one in a shelter. What am I?

If 2 workers can complete painting 2 walls in exactly 2 hours.

How many workers would be needed to paint 18 walls in 6 hours?

It's a 7-letter word.
If we remove 1 letter from it, it remains the same.
If we remove 2 letters from it, it remains the same.
If we remove 3 letters from it, it remains the same.
If we remove all the letters from it, still it remains the same.
What is it?

What month of the year has 28 days?

Who is generally closer to the kids, mom or dad?

(it's a funny riddle)

By moving just one matchstick, you need to make the below statement true. Can you do it?