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?

When I go in I might cause pain. I cause you to spit and ask you not to swallow. I can fill your hole. What am I?

Solve the equation by replacing the alphabet with numbers.

MOM + MOM + NO = BOOK=

Replace the (?) with the correct mathematical signs to make the expression equal to 59.

18 ? 12 ? 4 ? 5 = 59

1 dollar = 100 cent
= 10 cent x 10 cent
= 1/10 dollar x 1/10 dollar
= 1/100 dollar
= 1 cent

=> 1 dollar = 1 cent

solve this tricky problem?

Can you find a five letter word that is left with only two letters if one is removed?

Different lights make me strange by changing me into different sizes. What am I?

A bomb goes off.
Carnage.
One person, only a few feet away, survives! How can this be?

Get total of 120 by using five zeros 0,0,0,0,0 and any one mathematical operator.
Do you ?

You stand in front of two doors. A guard stands next to each door. You know the following things: one path leads to paradise, the other leads to death. You cannot distinguish between the two doors. You also know that one of the two guards always tells the truth and the other always lies. You have permission to ask one guard one question to discover which door leads to paradise. What one question would you ask to guarantee you enter the door to paradise?