At a quirky fruit stand, an orange costs 18 cents, a pineapple costs 27 cents and a grape costs 15 cents. Using the same logic, how much does a mango cost?

If you can hard boil a Kiwi bird egg in 20 minutes, how long would it take to hard boil four Kiwi bird eggs?
Note: Kiwi birds are about the size of a chicken, but they lay eggs that are close to the size of an Ostrich egg. So one would assume they must take a long time to hard boil.

500 people attended a high school basketball game and raised $500 for the school.

The prices were as follows:
Mothers $3.00
Fathers: $2.00
Children $0.48

More mothers than fathers turned up. How many children were there?