Find out the number of circles in the given picture having Illusion

Can you find out the smallest number that can be conveyed as the sum of three squares in three unique ways?

Spot what is wrong here in below Picture?

Can you solve the equation by finding the value of
A) Horse
B) Cowboy boot
C) Horseshoe

In the Picture?

People make me, save me, change me, raise me. What am I?

I have holes on the top and bottom. I have holes on my left and on my right. And I have holes in the middle, yet I still hold water. What am I?

Why is the Hole below a Lock?

Remove two matchsticks to make the below equation correct.

What is the next number in this series?

4,12,84,3612....

We have shown you a regular water barrel as below. Without using any measuring device can you check if the barrel is more than half-filled or less than half-filled?