On the dull night when the blonde was dozing, she heard an odd clamour and she saw that there was a bizarre man with a gun simply outside her home. So she raced to the telephone to call the police, however, she can't dial 911. Why?

What have one eye but still cannot see?

What comes
Once in a Year
Twice in a Month
4 times in a Week
6 times in a Day

A rubber ball keeps on bouncing back to 2/3 of the height from which it is dropped. Can you calculate the fraction of its original height that the ball will bounce after it is dropped and it has bounced four times without any hindrance ?

There are nine letters in the below-given diagram. You have to form a nine-letter word using these letters.

Using eight eights and addition only, can you make 1000?

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?

Find the next number in the series

12, 20, 40, 72, 116, 172 ?

What is full of holes but still holds water?

What has 88 keys?