The horse jumps over the king.
Strangely there is absolutely no scratch on him.

Can anyone explain, how is this possible?

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

Place the numbers from 1 to 9 in the circles in a manner that each side of the triangle sums up to 17.

What has no start, end, or centre?

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?

If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?

There are a number of books on a shelf. If one book is the 4th from the left and 6th from the right, how many books are on the shelf?

Can you solve below mathematical equation?

2^1234 - 2^1233

What month of the year has 28 days?

There are five vowels (a, e, i, o, u) in the English language.
Can you tell us a word that contains all these vowels?