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?

There are 2 people near the river and both of them want to get on the other side. The boat can only take one of them. But they got across.
How?

Can you find out the remainder when 3^300 is divided by 5?

Can you count the number of blocks in the picture below?

One night, a woman receives a call from the police. They tell her that her husband was murdered and that she should come to the crime scene as soon as possible. The woman drops the phone, shocked, and drives 20 minutes to the crime scene. As soon as she reaches the crime scene, the police arrest her and she is convicted of murder. How do the police know she committed the crime?

Out of the nine cats that you can see in the picture, there are only two that are completely identical. Can you find them out?

A father's child, a mother's child, yet no one's son.

Who am I?

Find the next number in the sequence

5 12 24 36 ?

Why is a river so rich ?

Can you count the number of squares in the given picture?