In The 1st month of this year(the year 2013), I noticed that the date 13-1-13 (13 January 2013) is special.

This date is special as:

Date * Month = Year.

Can you figure out which year of this century has a maximum number of such dates?

Double it and multiply it by 4. Then divide it by 8 and you’ll have it once more. What number is it?

Decode below three cipher riddles:

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

What happened when the wheel was invented?

Cristina was born in 1888. She just had her 30th birthday today how did that happen?

What goes up but never comes down?

What has six faces, but does not wear makeup, has twenty-one eyes, but cannot see?

The host of a game show, offers the guest a choice of three doors. Behind one is a expensive car, but behind the other two are goats.
After you have chosen one door, he reveals one of the other two doors behind which is a goat (he wouldn't reveal a car).

Now he gives you the chance to switch to the other unrevealed door or stay at your initial choice. You will then get what is behind that door.

You cannot hear the goats from behind the doors, or in any way know which door has the prize.

Should you stay, or switch, or doesn't it matter?

Rumel, A detective who was mere days from cracking an international smuggling ring has suddenly gone missing. While inspecting his last-known location, you find a note:

710 57735 34 5508 51 7718

Currently, there are 3 suspects: Bill, John, and Todd. Can you break the detective's code and find the criminal's name?

How many pluses should we put between the digits of 987654321 to get a total of 99, and where?