Can you write down eight eights so that they add up to one thousand?

When I take five and add six, I get eleven, but when I take six and add seven, I get one. What am I?

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

You want to boil an egg for two minutes but you only have a three-minute hourglass, a four-minute hourglass, and a five-minute hourglass, how can you boil the egg for only two minutes?

An apple is 40 cents, a banana is 60 cents, and a grapefruit is 80 cents. How much is a pear?

There is a clothing store in San Jose. The owner has devised his own method of pricing items. A vest costs $20, socks cost $25, a tie costs $15 and a blouse costs $30. Using this pattern, how much would a pair of underwear cost?

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?

I am four times older than my son. In 20 years’ time, I will be twice as old as he is. How old are we now?

How do you make the number 7 an even number without addition, subtraction, multiplication, or division?

If a boy blows 18 bubbles, then pops 6, eats 7, pops 5, and blows 1, how many are left?