Algebra, NAPX-E4-CA10, NAPX-E3-CA12

Question

The rules of a number game are shown in the flowchart below.



The output number is 28.

What are two possible values for the input number?

Worked Solution

By trial and error:

7 is odd  ⇒\rArr  7 × 4 = 28

34 is even  ⇒\rArr  34 − 6 = 28

∴ {{{correctAnswer}}} are the possible values.

Variant 0

DifficultyLevel

580

Question

The rules of a number game are shown in the flowchart below.



The output number is 28.

What are two possible values for the input number?

Worked Solution

By trial and error:

7 is odd  ⇒\rArr  7 × 4 = 28

34 is even  ⇒\rArr  34 − 6 = 28

∴ 7 and 34 are the possible values.

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
correctAnswer
7 and 34

Answers

Is Correct?Answer
x

7 and 22

✓

7 and 34

x

22 and 34

x

34 and 112

Tags