Number, NAPX-p168203v01

Question

{{{question}}}

Worked Solution

{{{workedSolution}}}

Variant 0

DifficultyLevel

471

Question

The result of a 100-metre dash was recorded in the table shown below.

1st Place 13.55 seconds
2nd Place 14.29 seconds
3rd Place ?
4th Place 14.84 seconds


What could be the time of the runner in 3rd place?

Worked Solution

The time of the 3rd runner must be between 14.29 and 14.84 seconds.

∴\therefore The time of the 3rd runner = 14.58 seconds.

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
question
The result of a 100-metre dash was recorded in the table shown below.
>>| 1st Place| 13.55 seconds| |:-:|:-:| | 2nd Place| 14.29 seconds| | 3rd Place| ?| | 4th Place| 14.84 seconds|

What could be the time of the runner in 3rd place?
workedSolution
The time of the 3rd runner must be between 14.29 and 14.84 seconds. $\therefore$ The time of the 3rd runner = {{{correctAnswer}}}.
correctAnswer
14.58 seconds

Answers

Is Correct?Answer
x

13.85 seconds

x

14.26 seconds

✓

14.58 seconds

x

14.92 seconds

Variant 1

DifficultyLevel

469

Question

The result of a 400-metre time trial was recorded in the table shown below.

1st Place 47.89 seconds
2nd Place 48.27 seconds
3rd Place ?
4th Place 48.76 seconds


What could be the time of the runner in 3rd place?

Worked Solution

The time of the 3rd runner must be between 48.27 and 48.76 seconds.

∴\therefore The time of the 3rd runner = 48.42 seconds.

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
question
The result of a 400-metre time trial was recorded in the table shown below.
>>| 1st Place| 47.89 seconds| |:-:|:-:| | 2nd Place| 48.27 seconds| | 3rd Place| ?| | 4th Place| 48.76 seconds|

What could be the time of the runner in 3rd place?
workedSolution
The time of the 3rd runner must be between 48.27 and 48.76 seconds. $\therefore$ The time of the 3rd runner = {{{correctAnswer}}} seconds.
correctAnswer
48.42

Answers

Is Correct?Answer
x

47.93

x

48.81

x

48.19

✓

48.42

Variant 2

DifficultyLevel

470

Question

The result of a 50-metre freestyle swimming final was recorded in the table shown below.

1st Place 32.69 seconds
2nd Place ?
3rd Place 33.54 seconds
4th Place 33.91 seconds


What could be the time of the swimmer in 2nd place?

Worked Solution

The time of the 2nd swimmer must be between 32.69 and 33.54 seconds.

∴\therefore The time of the 2nd swimmer = 33.26 seconds.

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
question
The result of a 50-metre freestyle swimming final was recorded in the table shown below.
>>| 1st Place| 32.69 seconds| |:-:|:-:| | 2nd Place| ?| | 3rd Place| 33.54 seconds| | 4th Place| 33.91 seconds|

What could be the time of the swimmer in 2nd place?
workedSolution
The time of the 2nd swimmer must be between 32.69 and 33.54 seconds. $\therefore$ The time of the 2nd swimmer = {{{correctAnswer}}} seconds.
correctAnswer
33.26

Answers

Is Correct?Answer
x

32.57

x

34.40

✓

33.26

x

33.61

Variant 3

DifficultyLevel

467

Question

The result of a drag racing sprint was recorded in the table shown below.

1st Place 12.74 seconds
2nd Place 13.38 seconds
3rd Place ?
4th Place 13.82 seconds


What could be the time of the drag car in 3rd place?

Worked Solution

The time of the drag car in 3rd place must be between 13.38 and 13.82 seconds.

∴\therefore The time of the 2nd swimmer = 13.69 seconds.

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
question
The result of a drag racing sprint was recorded in the table shown below.
>>| 1st Place| 12.74 seconds| |:-:|:-:| | 2nd Place| 13.38 seconds| | 3rd Place| ?| | 4th Place| 13.82 seconds|

What could be the time of the drag car in 3rd place?
workedSolution
The time of the drag car in 3rd place must be between 13.38 and 13.82 seconds. $\therefore$ The time of the 2nd swimmer = {{{correctAnswer}}} seconds.
correctAnswer
13.69

Answers

Is Correct?Answer
x

12.88

✓

13.69

x

13.29

x

13.90

Tags