There’s a one-story house in which everything is yellow. Yellow walls, yellow doors, yellow furniture. What colour are the stairs?

Which tank will fill first?

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

Assume there are approximately 5,000,000,000 (5 billion) people on Earth. What would you estimate to be the result, if you multiply together the number of fingers on every person's left hand? (For the purposes of this exercise, thumbs count as fingers, for five fingers per hand.) If you cannot estimate the number then try to guess how long the number would be.

John named his first son Alpha, second Beta, third Charlie and fourth Delta. What is the fifth son's name?

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

Take 9 from 6, 10 from 9, 50 from 40, and leave 6.

How Come ??

1 + 9 + 8 = ?
considering, 28 + 8 + 92 = 10

What is common among 11, 69, and 88?

I start and end with 500 and carry a 5 in my heart. But I require the first letter and the first number to be complete. I am the name of a King.

Who am I ?