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Math 10 2nd PT

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

Which of the following isn't a harmonic sequence?

a)

5/19, 5/17, 3, 5/13

b)

1/2, 1/9, 1/16, 1/22

c)

1/2, 2/3, 1, 2

2.

A kid randomly takes a pen from a bag. The bag contains 12 pens: 2 black, 4 pink, 2 blue, 3 green, and 1 purple pen. Find the probability of getting a pink or green pen.

a)

1/2

b)

5/11

c)

7/12

3.

Melissa has 6 shirts, 3 pairs of pants, 2 pairs of shoes, and 4 jackets. How many possible outfits can she get from her wardrobe?

a)

144

b)

15

c)

72

4.

Three coins are tossed, what is the probability of getting at least 2 tails? {(HHH), (HHT), (HTH), (HTT), (TTT), (THH), (THT), (TTH)}

a)

1/8

b)

1/2

c)

3/4

5.

Identify the wrong number in the Fibonacci sequence: 0, 1, 1, 2, 3, 5, 8, 13, 21, 33, 55, 89, 144, 233,...

a)

33

b)

144

c)

21

6.

What is the probability of getting the number 4 when rolling a die?

(a)  

7.

The multiplicatice inverse of an Arithmetic Series is what we call a (a)   .

8.

True or False: Every third number in a fibonnaci sequence is even.

(a)  

9.

'What is the probability of choosing a spade or a jack in a deck of cards?' Is an example of...?

a)

Mutually Exclusive Probability

b)

Mutually Inclusive Probability

10.

What is the Harmonic Mean between 1/26 and 1/30?

(a)