Solve the following series:
AZ, GT, MN, __, YB

Let's play a word game. Following are some meaningless words that can be completed by adding random letters on either side of the word.

For example, the word "rdo" can be formed into "pardon".

Using the same technique, can you complete the given words?
ecalc
airb
rinci
tibac
uidel
gorit
igna
eyho

In two decks of cards, what is the least amount of cards you must take to be *guaranteed* at least one four-of-a-kind?

I sleep during the day and fly at night, but I have no feathers to aid my flight. What am I?

Move three sticks of the spiral below to form a square.

An octopus has 8 legs. A hippogriff has 6 legs and 2 pairs of wings. A sphinx has 6 legs and one pair of wings. Now we have all 3 kinds and a total of 18 insects in a cage. We have a total of 118 legs and 20 pairs of wings. How many insects do we have of each kind?

The day after tomorrow will be three days before Tuesday. Can you find out what is today?

What does below chemistry rebus means?

Baseball bat and ball cost $100. If the bat cost $99 more than the ball, what is the cost of each?

By what process could you make a 'Tea-Table' into food?