What is black when you buy it, red when you use it, and gray when you throw it away?

2, 3, 5, 9, 17, _ What is the next number in the sequence?

If you go to the movies and you're paying, is it cheaper to take one friend to the movies twice, or two friends to the movies at the same time?

What begins with T, ends with T, and has T in it?

Which word is least like the others? Third, fourth, fifth, sixth, seventh, eighth, ninth?

A Car driver was heading down a street in Washington. He went right past a stop sign without stopping, he turned left where there was a 'no left turn' sign and he went the wrong way on a one-way street. Then he went on the right side of the road past a cop car. Still, he didn't break any traffic laws. Why not?

How many bricks does it take to complete a building that is 15 feet wide, 30 feet deep, and 12 feet tall made of brick?

If you paint a brown house white it will become a white house. If the stoplight changes from red to green, then the light is green. So, if you throw a white shirt into the Red Sea, what will it become?

You board a train. The train will have to enter a tunnel soon. You are claustrophobic. Which place is the best for you to sit?

When is the top of a mountain similar to a savings account?