Can you find out which number multiplied by itself will give the output as 12345678987654321?

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?

Count the number of squares in the picture below.

Your last good ping-pong ball fell into a narrow metal pipe embedded one foot deep in concrete.
How can you get it out undamaged, if all the tools you have are your tennis paddle, shoe laces, and plastic water bottle, which does not fit into the pipe?

You can see three almost identical images below. Can you spot the odd one out from them?

A finger goes in me. You fiddle with me when you're bored. The best man always has me first. What am I?

I know a ten-letter word in the English language which can be typed using only the top rows of the computer keyboard.

You walk into a room and see a bed. On the bed, there are two dogs, five cats, a giraffe, six cows, and a goose. There are also three doves flying above the bed. How many legs are on the floor?

How many triangles can you find in this given picture?

In the given figure, you can see that four match sticks are used to form a square. Can you form five squares by using six matches?