20344

Question

{{number1}} {{object1}} weigh {{mass1}} kilograms.

If each {{object2}} has the same mass, approximately what would {{number2}} {{object1}} weigh?

Worked Solution

Weight of 1 {{object2}}

= mass1number3\dfrac{ {{mass1}} }{ {{number3}} }
= {{mass2}} kg

\therefore Weight of {{number2}} {{object1}}

= {{number2}} ×\times {{mass2}}
= {{mass3}} kg
\approx {{{correctAnswer}}}

Variant 0

DifficultyLevel

575

Question

Fifteen concrete bricks weigh 40.8 kilograms.

If each brick has the same mass, approximately what would 8 concrete bricks weigh?

Worked Solution

Weight of 1 brick

= 40.815\dfrac{ 40.8 }{ 15 }
= 2.72 kg

\therefore Weight of 8 concrete bricks

= 8 ×\times 2.72
= 21.76 kg
\approx 22 kg

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
number1
Fifteen
object1
concrete bricks
mass1
40.8
object2
brick
number2
8
number3
15
mass2
2.72
mass3
21.76
correctAnswer
22 kg

Answers

Is Correct?Answer
x

10 kg

x

11 kg

x

21 kg

22 kg


Variant 1

DifficultyLevel

575

Question

Eighteen containers weigh 51.3 kilograms.

If each container has the same mass, approximately what would 5 containers weigh?

Worked Solution

Weight of 1 container

= 51.318\dfrac{ 51.3 }{ 18 }
= 2.85 kg

\therefore Weight of 5 containers

= 5 ×\times 2.85
= 14.25 kg
\approx 14 kg

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
number1
Eighteen
object1
containers
mass1
51.3
object2
container
number2
5
number3
18
mass2
2.85
mass3
14.25
correctAnswer
14 kg

Answers

Is Correct?Answer
x

3 kg

x

10 kg

14 kg

x

15 kg


Variant 2

DifficultyLevel

575

Question

A dozen watermelons weigh 67.8 kilograms.

If each watermelon has the same mass, approximately what would 5 watermelons weigh?

Worked Solution

Weight of 1 watermelon

= 67.812\dfrac{ 67.8 }{ 12 }
= 5.65 kg

\therefore Weight of 5 watermelons

= 5 ×\times 5.65
= 28.25 kg
\approx 28 kg

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
number1
A dozen
object1
watermelons
mass1
67.8
object2
watermelon
number2
5
number3
12
mass2
5.65
mass3
28.25
correctAnswer
28 kg

Answers

Is Correct?Answer

28 kg

x

29 kg

x

35 kg

x

36 kg


Variant 3

DifficultyLevel

575

Question

Twenty-five chairs weigh 105.5 kilograms.

If each chair has the same mass, approximately what would 7 chairs weigh?

Worked Solution

Weight of 1 chair

= 105.525\dfrac{ 105.5 }{ 25 }
= 4.22 kg

\therefore Weight of 7 chairs

= 7 ×\times 4.22
= 29.54 kg
\approx 30 kg

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
number1
Twenty-five
object1
chairs
mass1
105.5
object2
chair
number2
7
number3
25
mass2
4.22
mass3
29.54
correctAnswer
30 kg

Answers

Is Correct?Answer
x

29 kg

30 kg

x

39 kg

x

40 kg


Variant 4

DifficultyLevel

575

Question

Sixteen chaff bags weigh 151.2 kilograms.

If each chaff bag has the same mass, approximately what would 6 chaff bags weigh?

Worked Solution

Weight of 1 chaff bag

= 151.216\dfrac{ 151.2 }{ 16 }
= 9.45 kg

\therefore Weight of 6 chaff bags

= 6 ×\times 9.45
= 56.7 kg
\approx 57 kg

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
number1
Sixteen
object1
chaff bags
mass1
151.2
object2
chaff bag
number2
6
number3
16
mass2
9.45
mass3
56.7
correctAnswer
57 kg

Answers

Is Correct?Answer
x

46 kg

x

47 kg

x

56 kg

57 kg

Tags

  • ms_ca