Can you solve this amazing hard number series problem?
7, 8, 10, 12, 16, 18 ?

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

Can anyone explain, how is this possible?

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

Can you name some countries which do not have the alphabet 'A' in them?

Five thieves looted a bank and they ran away in a car. The bank staff informed the police and they began the search of their car in their jeep. They found them on a road and chased them eventually catching them. The light that is used to fill the number plate was broken on the thieves' car. Also, the headlights of the jeep police were not working. How were the police able to catch the thieves then?

Find the last number in the series below:

voN luJ yaM raM ---

Decode below three cipher riddles:

26 L of the A
7 D of the W
1000 Y in a M

If,

20 % 5 = 24

21 % 7 = 33

42 % 6 = 67

Then;

66 % 6 = ?

I am an odd number. Take away a letter and I become even. What number am I?

I know a nine-letter word having only one vowel.
Do you ?