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

Why is 6 afraid of 7?

A thief enters a store and threatens the clerk, forcing her to open the safe. The clerk says, “The code for the safe is different every day, and if you hurt me you’ll never get the code.” But the thief manages to guess the code on his own. How did he do it?

A man wants to cross the pit of fire which is 25 feet in length and he has 2 planks(fire resistant) 19 feet in length. How can he cross the pit of fire alive?

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

Which English verb becomes past tense just by rearranging the letters?

They are the five precious gems of an everyday sort and all can be found on a Tennis Court. Who are they?

A four-digit number (not beginning with 0) can be represented by ABCD. There is one number such that ABCD=A^B*C^D, where A^B means A raised to the B power. Can you find it?

Can you make numbers like 24, using numbers 3,3,7 & 7 with any arithmetic operator?

You have a roll of cloth 1km long. You have a machine which cuts this roll into pieces of 10-meter-long cloth.

How long would it take for the machine to cut the roll if each cut took 4 secs?