Pre Test

 

QUIZ

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1. If four players try out for your team, how many ways can you pick just two of them?

a) 1

b) 2

c) 4

d) 6

e) 12

 

 

2. To find the answer to the previous question,

you could first find the number of ways to place two players out of four in two positions,

and then __________________________ 2.

a) add

b) subtract

c) multiply by

d) divide by

e) raise it to the power of

 

3. True or False? If you flip a coin five times and it comes up heads each time,

there is a better than even chance that the next flip will be tails.

a) True because it is unlikely that a coin will come up heads six times in a row

b) True because repetition of a pattern is less likely than deviation from a pattern

c) False because the coin is most likely a two headed coin

d) False because repetition of a pattern is more likely than deviation from a pattern

e) False because it is just as likely to land heads as tails however many times you flip it

 

4. The next number in this sequence: 1 1 2 3 5 8 13 21 34 55 is most likely

a) less than 70

b) 76

c) 89

d) 98

e) more than 100

 

5. True or False? You cannot draw a cross inside a square, like the diagram shows,

without lifting your pen off the paper or retracing a line.

a) True because the diagram has more than two points where an odd number of lines intersect.

b) False because the diagram has more than two points where an odd number of lines intersect.

c) True because the diagram has a point where an odd number of lines intersect.

d) False because the diagram has a point where an even number of lines intersect.

e) True because the diagram has a point where an even number of lines intersect.

6. Those with a red X would know the color of his X immediately if someone

sees a green X; but no one knows the color of his X immediately. Therefore...

 

a) no one sees a red X.

b) someone sees a red X.

c) no one sees a green X.

d) someone sees a green X.

e) someone sees a red X and a green X.

 

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7. If you flip a coin 80 times, how often would you expect the coin to land heads?

a) 50% of the time

b) 40 times

c) half of the time

d) all the above

e) none of the above

 

 

 

8. Which formula below describes the nth term of this sequence: 1 3 5 7 9 11 ... t

9. Which formula below describes the nth term of this sequence: 1 2 3 4 5 6 n

a) t = n+2

b) t = 2n+1

c) t = 2n-1

d) t = 2(n+1)

e) t = 2(n-1)

 

 

9. Each side of a tetrahedron, a hexahedron, and an octahedron are numbered.

If you toss them all at once, how many possible ways can they land?

A tetrahedron can land face up in 4 ways.

A hexahedron can land face up in 6 ways.

An octahedron can land face up in 8 ways.

a) 1

b) 3

c) 18

d) 468

e) none of the above

 

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10. At the bottom of a document written in a secret code, you see the letters

UIF FOE

After much contemplation, you conclude that these letters refer to

a) the end of a story

b) an ominous unidentified flying object

c) the pseudonym for the foreign author of the document

d) a text message that means you are drafted if we encounter an enemy

e) acronyms for the union of two non-profit organizations