20205

Question

A {{collective}} of {{who}} were {{work}} {{what}}.

In a full day's work, the mean number of {{verb}} by the {{who}} was {{number}}.

Which of the following statements MUST be true?

Worked Solution

Although some of the statements could possibly be true, only one must be true:

Mean = {{frac}} = {{number}}


∴\therefore {{{correctAnswer}}}

Variant 0

DifficultyLevel

537

Question

A group of seasonal workers were harvesting lettuces.

In a full day's work, the mean number of lettuces picked by the seasonal workers was 246.

Which of the following statements MUST be true?

Worked Solution

Although some of the statements could possibly be true, only one must be true:

Mean = total lettuces pickednumber of workers\dfrac{\text{total lettuces picked}}{\text{number of workers}} = 246


∴\therefore The total number of lettuces picked divided by the number of workers equals 246.

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
collective
group
who
seasonal workers
work
harvesting
what
lettuces
verb
lettuces picked
number
246
frac
$\dfrac{\text{total lettuces picked}}{\text{number of workers}}$
correctAnswer
The total number of lettuces picked divided by the number of workers equals 246.

Answers

Is Correct?Answer
x

More workers picked 246 lettuces than any other number.

x

Half the group picked less than 246 lettuces.

x

The highest number of lettuces picked was 246.

✓

The total number of lettuces picked divided by the number of workers equals 246.

Variant 1

DifficultyLevel

537

Question

A team of labourers were harvesting pineapples.

In a full day's work, the mean number of pineapples picked by the labourers was 196.

Which of the following statements MUST be true?

Worked Solution

Although some of the statements could possibly be true, only one must be true:

Mean = total pineapples pickednumber of labourers\dfrac{\text{total pineapples picked}}{\text{number of labourers}} = 196


∴\therefore The total pineapples picked divided by the number of labourers is 196.

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
collective
team
who
labourers
work
harvesting
what
pineapples
verb
pineapples picked
number
196
frac
$\dfrac{\text{total pineapples picked}}{\text{number of labourers}}$
correctAnswer
The total pineapples picked divided by the number of labourers is 196.

Answers

Is Correct?Answer
x

The difference between the most and least pineapples picked by the labourers is 196.

✓

The total pineapples picked divided by the number of labourers is 196.

x

The highest number of pineapples picked by any individual labourer is 196.

x

Half the labourers picked 196 pineapples.

Variant 2

DifficultyLevel

537

Question

A group of workers were picking avocados.

In a full day's work, the mean number of avocados picked by the workers was 512.

Which of the following statements MUST be true?

Worked Solution

Although some of the statements could possibly be true, only one must be true:

Mean = total avocados pickednumber of workers\dfrac{\text{total avocados picked}}{\text{number of workers}} = 512


∴\therefore The total number of avocados picked divided by the number of workers is 512.

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
collective
group
who
workers
work
picking
what
avocados
verb
avocados picked
number
512
frac
$\dfrac{\text{total avocados picked}}{\text{number of workers}}$
correctAnswer
The total number of avocados picked divided by the number of workers is 512.

Answers

Is Correct?Answer
x

Less than half of the group picked 512 avocados.

x

More than half the group picked 512 avocados.

x

More workers picked exactly 512 avocados than other number.

✓

The total number of avocados picked divided by the number of workers is 512.

Variant 3

DifficultyLevel

537

Question

A team of labourers were harvesting durians.

In a full day's work, the mean number of durians picked by the labourers was 162.

Which of the following statements MUST be true?

Worked Solution

Although some of the statements could possibly be true, only one must be true:

Mean = total durians pickednumber of pickers\dfrac{\text{total durians picked}}{\text{number of pickers}} = 162


∴\therefore The total number of durians picked divided by the number of labourers is 162.

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
collective
team
who
labourers
work
harvesting
what
durians
verb
durians picked
number
162
frac
$\dfrac{\text{total durians picked}}{\text{number of pickers}}$
correctAnswer
The total number of durians picked divided by the number of labourers is 162.

Answers

Is Correct?Answer
x

Less than half of the labourers picked 162 durians.

x

More labourers picked 162 durians than any other number.

✓

The total number of durians picked divided by the number of labourers is 162.

x

More than half of the labourers picked 162 durians.

Variant 4

DifficultyLevel

537

Question

A team of pickers were harvesting watermelons.

In a full day's work, the mean number of watermelons picked by the pickers was 81.

Which of the following statements MUST be true?

Worked Solution

Although some of the statements could possibly be true, only one must be true:

Mean = total watermelons pickednumber of pickers\dfrac{\text{total watermelons picked}}{\text{number of pickers}} = 81


∴\therefore The total number of watermelons harvested divided by the number of pickers is 81.

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
collective
team
who
pickers
work
harvesting
what
watermelons
verb
watermelons picked
number
81
frac
$\dfrac{\text{total watermelons picked}}{\text{number of pickers}}$
correctAnswer
The total number of watermelons harvested divided by the number of pickers is 81.

Answers

Is Correct?Answer
x

Exactly half of the pickers harvested 81 watermelons.

x

The difference between the highest and lowest number of watermelons harvested by individuals is 81.

x

More pickers harvested 81 watermelons than any other number.

✓

The total number of watermelons harvested divided by the number of pickers is 81.

Tags

  • ch_mean