If you toss a coin 10 times and it lands heads up every time, what are the chances it will land heads up if you toss it again?

A certain street contains 100 buildings. They are numbered from 1 to 100. How many 9's are used in these numbers?

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?

On one occasion, A Boy collects 71 rupees in form of 20 paise and 25 paise. He collects a total of 324 coins.

Can you tell me how many 20-paisa and 25-paisa he got?

A man was going to bleach his socks because they had gotten muddy the day before. As he was pouring the bleach into the washing machine, he spilt some on the floor. He got some cleaning fluid and mopped it up with a rag. Minutes later he was dead. What killed him?

Cristina was born in 1888. She just had her 30th birthday today how did that happen?

Decode below three cipher riddles:

26 L of the A
7 D of the W
1000 Y in a M

Can it be possible to build a house that has all its four walls facing towards the South?

What breaks yet never falls, and what falls yet never breaks?

Count the number of triangles in the picture below: