Math Troubles

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Passing at High Speed

Why was the man able to pass three cars going 70 miles-per-hour, while he was going only 60 miles-per-hour?

Summer Jobs

Five young people are working over the summer.  Each one is working hard towards their own goal.  Using the clues, find out how many each makes per hour, how much each has earned and what their goal is.  Keep in mind they have a last name and surname.

1. Dylan has earned the most so far, even though he earns the least per hour.
2. Carson has worked 19 hours, 23 less than Wills.
3. Gray makes $4.75 and has worked 35 hours so far.  She's saving for a bicycle.
4. The person saving for a computer (not Amelia or Ellis) earns $5.25 per hour and has earned $99.75 so far.
5. The one saving for clothes is neither Elvin nor Jones.
6. Sands has worked 66 hours so far.
7. The person saving for college has worked 38 hours so far; the one saving for clothes has worked 42 hours.

First name: Amelia, Bobby, Carson, Dylan, Elvin
Last names: Ellis, Gray, Jones, Sands, Wills
Earn per hour: $4.00, $4.50, $4.75, $5.00, $5.25
Earnings: $99.75, $166.25, $189.00, $190.00, $190.00
Goals: bicycle, clothes, college, computer, trip

This puzzle was taken from Kurt Smith's logic book.

Six Seconds to Answer

If a clock takes six seconds to strike six times at six o'clock, how many seconds will it take to strike eleven times at eleven o'clock?

Good Old Fashioned Banking

John needed some small bills because he was traveling. He went into a bank and gave the teller a $100 bill. He told her, "I need some two-dollar bills, ten times as many one-dollar bills, and the rest in five-dollar bills. Assuming she didn't tell him to try his request online instead, how many of each did the teller give him?