Skeptics Café

1. 1st: Jack of clubs 3rd: Ace of Spades 5th: 9 of Hearts 7th: 8 of hearts

2. (In any order:) Edward Peters, Robert Edwards and Peter Roberts

3. 11111

4. 15 days

5. 70 cars

6. a. T [One, Two, Three, Four, Five, Six, Seven, Eight, Nine, ___]

b. 10

7. (a) butler (b) Clark (c) bridge (d) squash

8. (c) nearly certain for any group of about 25 or more people [see http://betterexplained.com/articles/understanding-the-birthday-paradox/]

9. No: It can be divided by 3, 9, 7 and 49

10. 10 triangles

1. 10m X 15 m

2. Mum is 37       Girls are both 9

3. 16%

4. I hour and twenty minutes (80 minutes)

5. 40

6. (a) 25
(b) D (Months of the year, starting with July)
(c) 61 (following the rule y = x² – 3)

7. 20

8. $2.00 (End of first year $18, End of second year $6, End of third year $2)

9. 10 ways

10. The sphere is slightly larger than the cube

1. Parents $11.00 Kids $5.50

2. $400

3. 20.

4. Fred is 4 years old, Bill is 12 years old, Charlie is 6 years old

5. 9 ways

6. 2 got both, 15 got nothing

7. 73 mistakes

8. -40 degrees C = -40 degrees F

9. 30

10. 12 posts