John’s parents have three sons: Snap, Crackle, and what’s the name of the third son?

Two guards were guarding the camp.Guard-1 was looking towards the south to make sure no threat is coming from the road.Guard-2 was looking at the north to make sure no threat is coming from the top. Suddenly Guard-1 ask the Guard-2 why he is smiling?How Guard-1 knows that Guard-2 is smiling?

In this image, you can see three almost identical Doraemon images. Can you spot the odd one out from them?

The two towns are exactly 100 km apart. John leaves City A driving at 30 km/hr and Jacob leaves City B half an hour later driving at 60 km/hr. Who will be closer to City A when they meet?

What occurs twice in a week, once in a year but never in a day?

What do you see in the image below

How can you make the following equation true by drawing only one straight line: 5+5+5=550 ?

Can you convert the number zero(0) into a positive number using just one mathematical operator ?

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?

What happened when the wheel was invented?