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?

During an interview, the interviewer ordered hot coffee for the candidate to relieve the stress. The coffee was kept before him. After a minute, the interviewer asked him, 'What is before you?' He replied 'Tea'.

The candidate was selected immediately. Why?

I look at you, you look at me I raise my right, you raise your left. What am I?

If you read clockwise, you can form a word by inserting three missing letters in the picture given below. Can you do it?

A bomb goes off.
Carnage.
One person, only a few feet away, survives! How can this be?

John asked Jack, "The time right now is 7 pm. Can you tell me what will be the time 23, 999, 995 hours later ?"

While Bella does not know the answer, do you ?

Get total of 120 by using five zeros 0,0,0,0,0 and any one mathematical operator.
Do you ?

I make a loud sound when I’m changing. When I do change, I get bigger but weigh less. What am I?

In a town, there are over 100 flats.
Flat-1 is named first flat.
Flat-2 is named second flat.
Flat-3 is named third flat.

A visitors 'Victor' decides to walk through all the flats, he finds all the flats except flat-62.
Victor later founds that the local of the town have given it another name.

What is the name of the Flat?

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?