## Maths Week Quiz

Maths Week 2007

THE DOMINICAN COLLEGE ONLINE MATHS COMPETITION IS NOW CLOSED TO ENTRIES.

THANK YOU TO ALL WHO ENTERED.

Maths Week Ireland took place 15th - 19th October 2007.

Dominican College had a number of events. Teachers spent a few minutes on Maths puzzles in class, approximately 30 students took part in the annual PRISM contest on Thursday 18th (details available on our website) and there was an e-mail competition open to all students of Dominican College – details below.

For details of Maths Week and other links to Maths sites, click http://www.mathsweek.ie

THANK YOU TO ALL WHO ENTERED.

__The winners of the online quiz and PRISM competition are available below. Well done to all!__

Maths Week Ireland took place 15th - 19th October 2007.

Dominican College had a number of events. Teachers spent a few minutes on Maths puzzles in class, approximately 30 students took part in the annual PRISM contest on Thursday 18th (details available on our website) and there was an e-mail competition open to all students of Dominican College – details below.

For details of Maths Week and other links to Maths sites, click http://www.mathsweek.ie

#### Questions (Answers and explanations below)

**Q.1.**If a farmer has five haystacks in one field and four haystacks in another field, how many haystacks would he have if he combined them all in one big field?

**Q.2.**Saoirse bought a used car for €500 and sold it to Caoimhe for €700. She later bought it back for €1,000 and resold it for €1,200. How much profit did Saoirse make?

**Q.3.**You are participating in a race. Right at the end of the race you overtake the second person. In what position do you finish?

**Q.4.**There is a frog stuck in a 60-foot-deep well. How many days will it take the frog to get out if for every day he jumps five feet up, he then slides back three feet?

**Q.5.**In what year did Christmas and New Year’s Day fall in the same year?

Scroll down for the answers to the above five questions.

ONLINE QUIZ WINNERS

Well done to the following girls who all had all five answers correct.

Orla Gartland 1.1

Emer Duff 2.4

Kimberley Fagan 3.1

Stephanie Fagan 3.1

Emma McMahon 3.5

Sarah Mulligan 5.1

Caryn Chan 5.5

PRISM Competition Winners:

Junior Winner: Naoise Hennessy

Senior Joint Winners: Alissa Karpick

Ashlyn Susan Matthew

ANSWERS TO ONLINE QUIZ:

The first question was the one that caught a lot of people out!

Q.1. 1 (If he combines all of his haystacks, they all become one big haystack.)

Q.2. €400 (Saoirse makes €200 profit from the first sale and €200 profit from the second sale.)

Q.3. 2nd (If you overtake the person in 2nd place, he/she moves into 3rd place and you move into 2nd place.)

Q.4. 29 days (The last jump was out of the well so he didn't fall back.)

Q.5. Every year (They fall in the same year every year - New Year's Day just arrives very early in the year and Christmas arrives very late in the same year.)