SSAT Middle Level Math : Sets

Study concepts, example questions & explanations for SSAT Middle Level Math

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Example Questions

Example Question #5 : Generate Two Numerical Patterns Using Two Given Rules: Ccss.Math.Content.5.Oa.B.3

Complete the table below using the equation \displaystyle y=11x+7

Screen shot 2015 07 27 at 8.58.03 am

Possible Answers:

\displaystyle 106

\displaystyle 104

\displaystyle 105

\displaystyle 107

\displaystyle 108

Correct answer:

\displaystyle 106

Explanation:

In order to solve this question, we need to use both the equation and the table. We are looking for the corresponding \displaystyle y value for \displaystyle x=9. We can plug \displaystyle 9 into the \displaystyle x in our equation to solve for \displaystyle y.

\displaystyle y=11(9)+7

\displaystyle y=99+7

\displaystyle y=106

 

Example Question #594 : Ssat Middle Level Quantitative (Math)

Complete the table below using the equation \displaystyle y=12x+5

Screen shot 2015 07 27 at 9.03.29 am

Possible Answers:

\displaystyle 135

\displaystyle 138

\displaystyle 134

\displaystyle 137

\displaystyle 136

Correct answer:

\displaystyle 137

Explanation:

In order to solve this question, we need to use both the equation and the table. We are looking for the corresponding \displaystyle y value for \displaystyle x=11. We can plug \displaystyle 11 into the \displaystyle x in our equation to solve for \displaystyle y.

\displaystyle y=12(11)+5

\displaystyle y=132+5

\displaystyle y=137

Example Question #595 : Ssat Middle Level Quantitative (Math)

Complete the table below using the equation \displaystyle y=13x+3

Screen shot 2015 07 27 at 9.07.19 am

Possible Answers:

\displaystyle 41

\displaystyle 44

\displaystyle 42

\displaystyle 45

\displaystyle 43

Correct answer:

\displaystyle 42

Explanation:

In order to solve this question, we need to use both the equation and the table. We are looking for the corresponding \displaystyle y value for \displaystyle x=3. We can plug \displaystyle 3 into the \displaystyle x in our equation to solve for \displaystyle y.

\displaystyle y=13(3)+3

\displaystyle y=39+3

\displaystyle y=42

Example Question #596 : Ssat Middle Level Quantitative (Math)

Complete the table below using the equation \displaystyle y=14x+6

Screen shot 2015 07 27 at 9.11.28 am

Possible Answers:

\displaystyle 89

\displaystyle 88

\displaystyle 91

\displaystyle 90

\displaystyle 92

Correct answer:

\displaystyle 90

Explanation:

In order to solve this question, we need to use both the equation and the table. We are looking for the corresponding \displaystyle y value for \displaystyle x=6. We can plug \displaystyle 6 into the \displaystyle x in our equation to solve for \displaystyle y.

\displaystyle y=14(6)+6

\displaystyle y=84+6

\displaystyle y=90

Example Question #181 : Data Analysis And Probability

Based on the following arithmetic sequence, what is the value of \displaystyle 2A\times B?

\displaystyle 1,6,A,16,21,B

Possible Answers:

\displaystyle 286

\displaystyle 48

\displaystyle 624

\displaystyle 63

\displaystyle 572

Correct answer:

\displaystyle 572

Explanation:

The question asks that you first determine the pattern, then use said pattern to find A and B, which can then be substituted into the equation \displaystyle 2A*B. The pattern is to add 5 to the previous number to achieve the next number, which results in

\displaystyle A=11 and \displaystyle B=26

Putting A and B into the equation gives:

\displaystyle (2*(11))*26=572

 

The other answers are wrong for the following reasons:

286 is \displaystyle A*B, not \displaystyle 2A*B

48 is \displaystyle 2A +B

63 is \displaystyle 2B+A

624 is a result of having \displaystyle A=12, a pattern addition mistake

Example Question #21 : How To Find The Missing Part Of A List

What is the value of \displaystyle A in the sequence below?

\displaystyle 1,1,2,3,5,8,13,A\textup{ . . . }

Possible Answers:

\displaystyle 18

\displaystyle 20

\displaystyle 15

\displaystyle 21

\displaystyle 24

Correct answer:

\displaystyle 21

Explanation:

To answer this question, the pattern must first be found. There is no common interval between the numbers, however it can be seen that the next number is the sum of the number plus the number before. A good way to address a tricky pattern is to write the difference of the two numbers above the number, as seen below where the bold numbers are the orginal numbers and the nonbolded numbers are the differences.

    0     1      1     2     3

1     1     2     3      5     8

Using this pattern the value of A will be \displaystyle 8+13=21

Example Question #183 : Data Analysis And Probability

A tile layer plans to lay tile in a bathroom in the pattern shown below. What will the \displaystyle 57th tile be?

Red,  Blue,  Purple,  Green,  Yellow,  Red,  Blue,  Purple,  Green…

Possible Answers:

Green

Red

Blue

Purple

Yellow

Correct answer:

Blue

Explanation:

The first stop to determining what the \displaystyle 57th tile will be is to determine how many repeats of the pattern will occur before hand. There are \displaystyle 5 colors in the pattern, so divide \displaystyle 57 by \displaystyle 5. This results in \displaystyle 11 with a remainder of \displaystyle 2. This means that there will be \displaystyle 11 repeats of the pattern and at the \displaystyle 57th tile, it will be at the second spot in the pattern, which is Blue. So, the \displaystyle 57th tile is Blue. 

Example Question #21 : Sets

Complete the table below using the equation \displaystyle y=7x+3

Screen shot 2015 07 27 at 8.38.30 am

Possible Answers:

\displaystyle 48

\displaystyle 49

\displaystyle 46

\displaystyle 45

\displaystyle 47

Correct answer:

\displaystyle 45

Explanation:

In order to solve this question, we need to use both the equation and the table. We are looking for the corresponding \displaystyle y value for \displaystyle x=6. We can plug \displaystyle 6 into the \displaystyle x  in our equation to solve for \displaystyle y.

\displaystyle y=7(6)+3

\displaystyle y=42+3

\displaystyle y=45

Example Question #22 : Sets

\displaystyle \left \{ 2,4,6,8,10,x,14,y,18,20\right \} What are the two missing values in the following set?

Possible Answers:

\displaystyle 10, 16

\displaystyle 12, 16

\displaystyle 12, 14

\displaystyle 11,15

\displaystyle 22, 24

Correct answer:

\displaystyle 12, 16

Explanation:

The pattern for the set is all even numbers up until \displaystyle 20.  The missing even number between \displaystyle 10 and \displaystyle 14 would be \displaystyle 12 and the missing number between \displaystyle 14 and \displaystyle 18 would be \displaystyle 16.

Example Question #22 : How To Find The Missing Part Of A List

What number replaces the circle in the sequence below?

\displaystyle 8, 31, 52, 71, 88, \bigcirc, 116,...

Possible Answers:

\displaystyle 105

\displaystyle 107

\displaystyle 101

\displaystyle 103

Correct answer:

\displaystyle 103

Explanation:

Add 23 to the first element to get the second element. The increment decreases by two with each successive entry. The pattern can be seen below:

\displaystyle 8 \bold {+23} = 31

\displaystyle 31 \bold {+21} = 52

\displaystyle 52 \mathbf{+ 19} = 71

\displaystyle 71 \mathbf{+ 17} = 88

To get the element in the circle, add 15:

\displaystyle 88\mathbf{ + 15}= 103, the correct response.

This is confirmed by adding 13;

\displaystyle 103 \mathbf{+ 1 3 } = 116, the next number in the sequence.

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