Eight of us go fourth, not back, to protect our king from an attack. What are we?

A man embarked on a questionnaire game. He kept asking the same question to whomever he found. The answer each time was different.

Can you guess what the question was?

Can you count the number of triangles in the given picture?

Can you spot the man between the coffee bean in the picture below ?

Place the numbers from 1 to 9 in the circles in a manner that each side of the triangle sums up to 17.

In 1990, a person is 15 years old. In 1995, that same person is 10 years old. How can this be?

There is a square of a particular number which when doubled, becomes 7 more than its quarter.

Can you find the number?

I add 5 to 9 and get 2. The answer is correct, so what am I?

In two decks of cards, what is the least amount of cards you must take to be *guaranteed* at least one four-of-a-kind?

What is in seasons, seconds, centuries and minutes but not in decades, years or days?