Which alphabet is a part of our body?

A boy was at a carnival and went to a booth where a man said to the boy, "If I write your exact weight on this piece of paper then you have to give me $50, but if I cannot, I will pay you $50." The boy looked around and saw no scale so he agrees, thinking no matter what the carny writes he'll just say he weighs more or less. In the end the boy ended up paying the man $50. How did the man win the bet?

A King wants to send the diamond ring to his girlfriend securely. He got multiple locks and their corresponding keys. His girlfriend does not have any keys to these locks and if he sends the key without a lock, the key can be copied in the way. How can King send the ring to his girlfriend securely?

Move three sticks of the spiral below to form a square.

The product of three consecutive numbers is 7980.
Then the sum of these consecutive numbers would be?

I am a white box having no key or lid.
Yet there is a golden treasure inside it.

What Am I?

Find the next number in the sequence

1, 2, 6, 21, 88, __?

What kind of band never plays music?

I am the beginning of the end, and the end of time and space. I am essential to creation, and I surround every place. What am I?

In a town, there are four houses located at different distances from each other. Following are the distances:

The third house is 60 meters apart from the first house.
The fourth house is 40 meters apart from the second house.
The third house is 10 meters nearer to the fourth house than it is to the second house.

Can you find out the distance between the fourth and the first house?