It's a test that will check your IQ.

Suppose you have one 11 minute hourglass and one 13 minute hourglass.

Can you measure exactly fifteen minutes using them ?

While handling a project, the landscaper is asked by the owner of the mansion that he wants four trees in front of his mansion that are exactly equidistant from each other.

How will he do it?

I look flat, but I am deep. Hidden realms I shelter. Lives I take, but the food I offer. At times I am beautiful. I can be calm, angry, and turbulent. I have no heart but offer pleasure as well as death. No man can own me, yet I encompass what all men must have. What am I?

By removing one matchstick and adding one matchstick, can you convert the word "ZOO" to an animal name?

Women do it once a year after they turn 19 but men get to do it only once in a lifetime. What is it?

Find the next number in the series

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

What numbers should go on the bottom line?
3 6 9 15
8 2 10 12
11 8 19 27
19 10 29 39
? ? ? ?

John enters a small room. The Door Closes.
When the door opens, John is in a larger room.

Explain?

When it is alive we sing, when it is dead we clap our hands. What is it?

Astrology starts with the alphabet A, Biology starts with B, Psychology with P and Limnology with L.

Can you find an "ology" that begins with a P?