Algebra, NAPX-H3-NC06

Question

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Worked Solution

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Variant 0

DifficultyLevel

518

Question

The table below has a pattern where the top and bottom numbers are connected by a rule.


Top number 1 2 3 4 ... ?
Bottom number 6 12 18 24 ... 42


What is the top number when the bottom number is 42?

Worked Solution

The rule is:

Top number × 6 = Bottom number

If Top number × 6 = 42,

∴ Top number = 42 ÷ 6
= 7

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
question
The table below has a pattern where the top and bottom numbers are connected by a rule.
>>| Top number| 1 |2|3|4|...|**?**| |:-:|:-:|:-:|:-:|:-:|:-:|:-:| | Bottom number| 6|12|18|24| ...| 42|

What is the top number when the bottom number is 42?
workedSolution
The rule is: Top number × 6 = Bottom number If Top number × 6 = 42,
| | | | ------------- | ---------- | | ∴ Top number | \= 42 ÷ 6 | | | \= {{{correctAnswer}}} |
correctAnswer
7

Answers

Is Correct?Answer

7

x

8

x

48

x

52


Variant 1

DifficultyLevel

520

Question

The table below has a pattern where the top and bottom numbers are connected by a rule.


Top number 1 2 3 4 ... ?
Bottom number 9 18 27 36 ... 54


What is the top number when the bottom number is 54?

Worked Solution

The rule is:

Top number × 9 = Bottom number

If Top number × 9 = 54,

∴ Top number = 54 ÷ 9
= 6

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
question
The table below has a pattern where the top and bottom numbers are connected by a rule.
>>| Top number| 1 |2|3|4|...|**?**| |:-:|:-:|:-:|:-:|:-:|:-:|:-:| | Bottom number| 9|18|27|36| ...| 54|

What is the top number when the bottom number is 54?
workedSolution
The rule is: Top number × 9 = Bottom number If Top number × 9 = 54,
| | | | ------------- | ---------- | | ∴ Top number | \= 54 ÷ 9 | | | \= {{{correctAnswer}}} |
correctAnswer
6

Answers

Is Correct?Answer

6

x

7

x

43

x

63


Variant 2

DifficultyLevel

521

Question

The table below has a pattern where the top and bottom numbers are connected by a rule.


Top number 1 2 3 4 ... ?
Bottom number 8 16 24 32 ... 72


What is the top number when the bottom number is 72?

Worked Solution

The rule is:

Top number × 8 = Bottom number

If Top number × 8 = 72,

∴ Top number = 72 ÷ 8
= 9

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
question
The table below has a pattern where the top and bottom numbers are connected by a rule.
>>| Top number| 1 |2|3|4|...|**?**| |:-:|:-:|:-:|:-:|:-:|:-:|:-:| | Bottom number| 8|16|24|32| ...| 72|

What is the top number when the bottom number is 72?
workedSolution
The rule is: Top number × 8 = Bottom number If Top number × 8 = 72,
| | | | ------------- | ---------- | | ∴ Top number | \= 72 ÷ 8 | | | \= {{{correctAnswer}}} |
correctAnswer
9

Answers

Is Correct?Answer
x

8

9

x

52

x

81

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