As shown in the image, the nine Dogs are square fenced. By constructing just two square fences can you make sure that two Dogs cannot meet each other without crossing the fence?

A large container is kept in open under the rain. Every passing hour, the water collected inside the container becomes double what it was.

In ten hours, the container is filled completely. Can you calculate how long would it have taken to be filled in half?

You have a basket containing ten apples. You have ten friends, who each desire an apple. You give each of your friends one apple.
Now all your friends have one apple each, yet there is an apple remaining in the basket.
How?

How will you measure 15 minutes using two hourglasses of 7 minutes and 11 minutes respectively?

what one word does the below rebus identifies?

What runs around the whole yard without moving?

I have lakes with no water, mountains with no stone and cities with no buildings. What am I?

It is a six-letter word.
The first four letters are me.
The second and last letters are the same.
The fourth second and last letter is payment.

Who is it?

I am quite hot but become too cold if you remove the first two letters. What am I?

What does the following represent?

N N N N N N N

A A A A A A A

C C C C C C C