Find the number of squares in the below-given picture.

The person who makes it has no need for it; the person who buys it has no use for it. The person who uses it can neither see nor feel it. What is it?

What kind of band never plays music?

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?

A girl was standing near the window thinking something. All of a sudden she decides something and throws something out of the window. She dies very soon after throwing it. She was perfectly healthy and had no disease or allergy. No one killed her and she did not commit suicide.

Can you think of any possible explanation that is logical as well for what happened there?

What will be the best approach to finding all the prime numbers less than 75 that leave an odd reminder when we divide them with 5?

I have teeth but i don't bite. Who Am I ?

I am never scared but became petrified and can’t live in a house but would die to make one. What am I?

What makes this number unique: 8,549,176,320?

Only Highly Attentive Can Spot The Ladder In This Library In 7 Seconds! Can You?