Algebra, NAPX-F3-CA18

Question

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Worked Solution

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Variant 0

DifficultyLevel

627

Question

Jasper used this rule to make a number pattern.

  • Start with 3.

  • To get the next number, multiply by 3 then deduct 5.


The first four numbers in his pattern were 3, 4, 7, 16.

What was the sixth number in his pattern?

Worked Solution

Fifth number

16 × 3 − 5 = 48 − 5 = 43


Sixth number

43 × 3 − 5 = 129 − 5 = 124

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
question
Jasper used this rule to make a number pattern. * Start with 3. * To get the next number, multiply by 3 then deduct 5.
The first four numbers in his pattern were 3, 4, 7, 16. What was the sixth number in his pattern?
workedSolution
Fifth number >16 × 3 − 5 = 48 − 5 = 43
Sixth number >43 × 3 − 5 = 129 − 5 = {{{correctAnswer}}}
correctAnswer
124

Answers

Is Correct?Answer
x

43

x

84

✓

124

x

129

Variant 1

DifficultyLevel

623

Question

Felicity used this rule to make a number pattern.

  • Start with 7.

  • To get the next number, multiply by 2 then deduct 4.


The first four numbers in Felicity's pattern were 7, 10, 16, 28.

What was the sixth number in her pattern?

Worked Solution

Fifth number:

28 × 2 − 4 = 56 − 4 = 52


Sixth number :

52 × 2 − 4 = 104 − 4 = 100

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
question
Felicity used this rule to make a number pattern. * Start with 7. * To get the next number, multiply by 2 then deduct 4.
The first four numbers in Felicity's pattern were 7, 10, 16, 28. What was the sixth number in her pattern?
workedSolution
Fifth number: >28 × 2 − 4 = 56 − 4 = 52
Sixth number : >52 × 2 − 4 = 104 − 4 = {{{correctAnswer}}}
correctAnswer
100

Answers

Is Correct?Answer
x

52

x

72

✓

100

x

104

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