John was driving a bus and got stuck when passing through an underpass. Then came Jacob with a needle and got the bus out of the underpass.

What did the boy do?

Count the number of triangles in the picture below:

There are two dice with empty faces in front of you and a marker. You can mark any number on each of the faces of the two dice, but you have to display all 31 days of the month using the two of them.

Which numbers will you mark on which dice so that you can easily depict all the dates of the month?

What is black when you buy it, red when you use it, and gray when you throw it away?

You see a boat filled with people, yet there isn’t a single person on board. How is that possible?

Can you make a six-letter word using the letters N, A and B ?

I have lakes with no water, mountains with no stone and cities with no buildings. What am I?

What has to be broken before you can use it?

He runs but never walks. Murmurs, but never talks. Has a bed, but never sleeps. And has a mouth, but never eats?

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