You are given a cube that is made with the help of 10x10x10 smaller cubes summing up to a total of 1000 smaller cubes. You are asked to take off one layer of the cubes.
How many remain now?

Many have heard it, but nobody has ever seen it, and it will not speak back until spoken to. What is it?

What 5-letter word typed in all capital letters can be read the same upside down?

During which month do people sleep the least?

Can you find the 09 errors in the picture below?

I possess a head

I flaunt a tail

But I don't have mouth or legs

Can you find out who I am?

With the help clues provided in the image, can you find the 5 digit key?

You have two strings whose only known property is that when you light one end of either string it takes exactly one hour to burn. The rate at which the strings will burn is completely random and each string is different.

How do you measure 45 minutes?

If you read clockwise, you can form a word by inserting three missing letters in the picture given below. Can you do it?

While preparing the table for dinner, wife came up with an idea to tease his mathematician husband. She asked her husband to pick nine toothpicks and make ten without breaking any toothpick.

The husband was also smart and did it within seconds. How ?