John named his first son Alpha, second Beta, third Charlie and fourth Delta. What is the fifth son's name?

Can you place three balls such that the equation shown in the picture holds true?

You are provided with a grid (as shown in the picture). Can you fill the squares with numbers 1-8 in a manner that none of the two consecutive numbers are placed next to each other in any direction (vertically, horizontally or diagonally?)

A cat, a dog and a monkey were stolen. 3 suspects got caught: Harish, Manoj and Tarun. All we know is each person stole one animal, but we do not know who stole which. Here are the investigation statements. Harish said: Tarun stole the cat. Manoj said: Tarun stole the dog. Tarun said: They both were lying. I did not steal the cat or the dog. Later on, the police found out the man who stole the monkey told a lie. The man who stole the cat told the truth. Can you find out who stole which?

Can you find the missing piece of the Porsche?

I have one of the three numbers: 1, 2, or 3 in my mind. I speak only truth. You can ask me just one question for which I will only reply in yes or no or don't know. What question will you ask from me so that you are able to know the number?

2, 3, 5, 9, 17, _ What is the next number in the sequence?

What is the difference between a jeweller and a jailer?

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?

A man who was outside in the rain without an umbrella or hat didn’t get a single hair on his head wet. Why?