Number, NAPX-H4-CA22

Question

The sand in an egg timer takes 3 minutes to completely flow through.

The egg timer contains 145 grams of sand.

Each millilitre of sand weighs 1.25 grams.

How many millilitres of sand flow through the egg timer per minute?

Worked Solution

Total millilitres = 1451.25\dfrac{145}{1.25} = 116
∴\therefore Sand flow = 1163\dfrac{116}{3}
= 38.66...
= {{{correctAnswer}}} mL/minute

Variant 0

DifficultyLevel

694

Question

The sand in an egg timer takes 3 minutes to completely flow through.

The egg timer contains 145 grams of sand.

Each millilitre of sand weighs 1.25 grams.

How many millilitres of sand flow through the egg timer per minute?

Worked Solution

Total millilitres = 1451.25\dfrac{145}{1.25} = 116
∴\therefore Sand flow = 1163\dfrac{116}{3}
= 38.66...
= 38.7 mL/minute

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
correctAnswer
38.7

Answers

Is Correct?Answer
x

3.8

x

14.5

✓

38.7

x

181.3

Tags