Why is 6 afraid of 7?

What is the fewest number of coins that would be required in order to make sure each and every coin touches exactly three other coins?

In a football game, Christina defeated Teresa by 2 - 0 but no man from either side scored. How can this be possible?

What you cannot hold but it is yours?

You Throw The Outside, Cook The Inside
Eat The Outside, Throw The Inside.

What Is It?

In the city of Brain Teasers, 5% of people do not list their phone numbers. Now if we select random 100 people from the phone directory, then how many people selected will have unlisted phone numbers?

After undergoing a successful eye operation, A blind girl has just boarded a train to her home. The doctor asked her to open the bandages after 3 hours. On her train journey, she opened the bandages and within a fraction of the time she commits suicide by jumping off the train.

Though her operation was successful, Why did she commit suicide?

Three brothers Jacob, John, and James live in Mexico City. The product of the ages of these brothers is 175. Jacob and John are twins. How old is James?

You have a 12 liters jug full of water. You have two empty 8 liters and 5 liters jug. How can you divide the water into two equal parts using these jugs?

I am under you when I am whole.
I shift above you if you remove the first letter.
I come all around you if you remove the second as well.

Can you tell me who I am?