1. Divide 60 into four such parts that the first being increased by 4, the second decreased by 4, the third multiplied by 4, the fourth part divided by 4, that the sum, the difference, the product, and the quotient shall be one and the same number.

2. Oliver started with an empty bank. Each day, he put a penny, a dime, and a quarter into the bank. He kept this up until the bank contained an exact number of dollars, not a penny more or less. How many days did this take, and how many dollars did the bank finally contain?

5. When five new girls joined the club, the percent of girls increased from 40% to 50%. What is the number of boys in the club?

4. Find the lowest prime number that is greater than 2000.

6. The IQ of a Thoronian varies directly with the square of the number of teeth it has. If a Thoronian with 5 teeth has an IQ of 75, find the IQ of a Thoronian with 8 teeth.