A man in a car saw a Golden Door, Silver Door and a Bronze Door. What door did he open first?

Is the statement valid that it does not matter how much older a sibling is, eventually the younger one will be half as old as the older one?

What is the next number in this matchsticks series riddle?

I am a type of vehicle that has two wheels and is powered by humans. What am I?
Hint 1: You can ride me for exercise.
Hint 2: I am environment-friendly.

How many triangles are there on the puzzle below?

what does this picture(rebus) riddle means ?

If there are fifteen crows on a fence and the farmer shoots a third of them, how many crows are left?

Your job is to measure 45 minutes if you have only two cords and matches to light the cords.

1. The two cords are twisted from various materials, so their different segments can burn at different rates.
2. Each cord burns from end to end in exactly one hour.

Describe your way of measuring the 45 minutes.

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

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