The centre of the third figure is empty. What digit should fit inside?

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?

The cream is heavier than Milk. True or False?

Which is heavier: a ton of bricks or a ton of feathers?

The person who makes it has no need for it. He who purchases it does not use it. The person who does use it does not know they are. What is it?

How can one talk without saying a single word?

Make a sentence consisting of three words that have the whole alphabet.

Can you calculate the probability of getting a sum of six when a dice is thrown twice?

A number with an interesting property:

When I divide it by 2, the remainder is 1.
When I divide it by 3, the remainder is 2.
When I divide it by 4, the remainder is 3.
When I divide it by 5, the remainder is 4.
When I divide it by 6, the remainder is 5.
When I divide it by 7, the remainder is 6.
When I divide it by 8, the remainder is 7.
When I divide it by 9, the remainder is 8.
When I divide it by 10, the remainder is 9.

It's not a small number, but it's not really big, either.
When I looked for a smaller number with this property I couldn't find one.

Can you find it?

How do you go from 98 to 720 using just one letter?