HSPT Quantitative : HSPT Quantitative Skills

Study concepts, example questions & explanations for HSPT Quantitative

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Example Questions

Example Question #181 : Hspt Quantitative Skills

What number should fill in the blank in this series?

\displaystyle 42,51,__\displaystyle ,69,78,87

Possible Answers:

\displaystyle 60

\displaystyle 58

\displaystyle 61

\displaystyle 65

Correct answer:

\displaystyle 60

Explanation:

The pattern is to add \displaystyle 9 each time. The operation before the blank is \displaystyle 51+9=60.

Example Question #182 : Hspt Quantitative Skills

What number should come next in this series?

\displaystyle 5,15,7,21,13,39,__

Possible Answers:

\displaystyle 32

\displaystyle 49

\displaystyle 28

\displaystyle 31

Correct answer:

\displaystyle 31

Explanation:

The pattern is to multiply by \displaystyle 3, then subtract \displaystyle 8. The last operation is \displaystyle 39-8=31.

Example Question #183 : Hspt Quantitative Skills

What number should come next in this series?

\displaystyle 6,12,18,36,42,84,__

Possible Answers:

\displaystyle 114

\displaystyle 168

\displaystyle 96

\displaystyle 90

Correct answer:

\displaystyle 90

Explanation:

The pattern is multiply by \displaystyle 2, then add \displaystyle 6. The last operation is \displaystyle 84+6=90.

Example Question #184 : Hspt Quantitative Skills

What number should fill in the blank in this series?

\displaystyle 5,15,45,__\displaystyle ,405

Possible Answers:

\displaystyle 160

\displaystyle 135

\displaystyle 145

\displaystyle 55

Correct answer:

\displaystyle 135

Explanation:

The pattern for this series is to multiply by \displaystyle 3 each time. The operation before the blank is \displaystyle 45\cdot3=135.

Example Question #185 : Hspt Quantitative Skills

What number should come next in this series?

\displaystyle 2,9,18,25,50,57,__

Possible Answers:

\displaystyle 64

\displaystyle 92

\displaystyle 114

\displaystyle 126

Correct answer:

\displaystyle 114

Explanation:

The pattern is to add \displaystyle 7, then multiply by \displaystyle 2. The last operation is \displaystyle 57\cdot2=114.

Example Question #186 : Hspt Quantitative Skills

What number should come next in this series?

\displaystyle 30,15,14,7,6,3,__

Possible Answers:

\displaystyle 1.5

\displaystyle 2

\displaystyle 0

\displaystyle 1

Correct answer:

\displaystyle 2

Explanation:

The pattern is to divide by \displaystyle 2, then subtract \displaystyle 1. The last operation is \displaystyle 3-2=1.

Example Question #187 : Hspt Quantitative Skills

What number should come next in this series?

\displaystyle 600.75,600.5,600.25,600.00,___

Possible Answers:

\displaystyle 599.90

\displaystyle 599.75

\displaystyle 600.25

\displaystyle 599.00

Correct answer:

\displaystyle 599.75

Explanation:

The pattern is to subtract \displaystyle .25 each time. The last operation is \displaystyle 600.00-.25=599.75.

Example Question #43 : Number Series*

What number should come next in this series?

\displaystyle 10,64,20,32,30,16,40,__

Possible Answers:

\displaystyle 12

\displaystyle 4

\displaystyle 50

\displaystyle 8

Correct answer:

\displaystyle 8

Explanation:

There are two alternating patterns in this series. The first is to add \displaystyle 10 each time:

\displaystyle 10,20,30,40

The second is to divide by \displaystyle 2 each time:

\displaystyle 64,32,16,

The blank belongs to the second pattern. The last operation is \displaystyle 6\div2=8.

Example Question #188 : Hspt Quantitative Skills

What number should fill in the blank in this series?

\displaystyle 23,21,19,__\displaystyle ,15

Possible Answers:

\displaystyle 17

\displaystyle 20

\displaystyle 18

\displaystyle 13

Correct answer:

\displaystyle 17

Explanation:

The pattern is to subtract \displaystyle 2 each time. The operation before the blank is \displaystyle 19-2=17.

Example Question #189 : Hspt Quantitative Skills

What number should come next in this series?

\displaystyle 6,15,12,21,18,27,__

Possible Answers:

\displaystyle 36

\displaystyle 33

\displaystyle 24

\displaystyle 21

Correct answer:

\displaystyle 24

Explanation:

The pattern is to add \displaystyle 9, then subtract \displaystyle 3. The last operation is \displaystyle 27-3=24.

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